Mister Exam
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- Equation:
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Equation (x^2-1)/(x+2)=4x
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Equation 3*x+5+(x+5)=(1-x)+4
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Equation cos(x)=3/4
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Equation 7+x=4
- Express {x} in terms of y where:
- 18*x-20*y=-7
- 18*x-12*y=-20
- -13*x+7*y=11
- -19*x-14*y=-8
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Identical expressions
- eighty-seven /(ten * ten ^ seven)=x^ nine *((- seven . two thousand, eight hundred and one)*e- thirty-six)+x^ eight *(six . twenty-seven thousand, two hundred and seventy-one *e- thirty-three)+x^ seven *((- one . fourteen thousand, five hundred and thirty-nine)*e- thirty)+x^ six *((- three . five thousand, seven hundred and eleven)*e- twenty-eight)+x^ five *(nine . forty-eight thousand, four hundred and sixty-five *e- twenty-six)+x^ four *(one . ninety-nine thousand and sixty-seven *e- twenty-four)+x^ three *((- one . seventy-one thousand, one hundred and one)*e- twenty-one)+x^ two *(three . forty-three thousand, five hundred and thirty-seven *e- twenty)+ zero . three thousand, seven hundred and seventy-eight *x- zero . ninety-five thousand, five hundred and forty-four
- 87 divide by (10 multiply by 10 to the power of 7) equally x to the power of 9 multiply by (( minus 7.2801) multiply by e minus 36) plus x to the power of 8 multiply by (6.27271 multiply by e minus 33) plus x to the power of 7 multiply by (( minus 1.14539) multiply by e minus 30) plus x to the power of 6 multiply by (( minus 3.05711) multiply by e minus 28) plus x to the power of 5 multiply by (9.48465 multiply by e minus 26) plus x to the power of 4 multiply by (1.99067 multiply by e minus 24) plus x cubed multiply by (( minus 1.71101) multiply by e minus 21) plus x squared multiply by (3.43537 multiply by e minus 20) plus 0.03778 multiply by x minus 0.95544
- eighty minus seven divide by (ten multiply by ten to the power of seven) equally x to the power of nine multiply by (( minus seven . two thousand, eight hundred and one) multiply by e minus thirty minus six) plus x to the power of eight multiply by (six . twenty minus seven thousand, two hundred and seventy minus one multiply by e minus thirty minus three) plus x to the power of seven multiply by (( minus one . fourteen thousand, five hundred and thirty minus nine) multiply by e minus thirty) plus x to the power of six multiply by (( minus three . five thousand, seven hundred and eleven) multiply by e minus twenty minus eight) plus x to the power of five multiply by (nine . forty minus eight thousand, four hundred and sixty minus five multiply by e minus twenty minus six) plus x to the power of four multiply by (one . ninety minus nine thousand and sixty minus seven multiply by e minus twenty minus four) plus x to the power of three multiply by (( minus one . seventy minus one thousand, one hundred and one) multiply by e minus twenty minus one) plus x to the power of two multiply by (three . forty minus three thousand, five hundred and thirty minus seven multiply by e minus twenty) plus zero . three thousand, seven hundred and seventy minus eight multiply by x minus zero . ninety minus five thousand, five hundred and forty minus four
- 87/(10*107)=x9*((-7.2801)*e-36)+x8*(6.27271*e-33)+x7*((-1.14539)*e-30)+x6*((-3.05711)*e-28)+x5*(9.48465*e-26)+x4*(1.99067*e-24)+x3*((-1.71101)*e-21)+x2*(3.43537*e-20)+0.03778*x-0.95544
- 87/10*107=x9*-7.2801*e-36+x8*6.27271*e-33+x7*-1.14539*e-30+x6*-3.05711*e-28+x5*9.48465*e-26+x4*1.99067*e-24+x3*-1.71101*e-21+x2*3.43537*e-20+0.03778*x-0.95544
- 87/(10*10⁷)=x⁹*((-7.2801)*e-36)+x⁸*(6.27271*e-33)+x⁷*((-1.14539)*e-30)+x⁶*((-3.05711)*e-28)+x⁵*(9.48465*e-26)+x⁴*(1.99067*e-24)+x³*((-1.71101)*e-21)+x²*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10 to the power of 7)=x to the power of 9*((-7.2801)*e-36)+x to the power of 8*(6.27271*e-33)+x to the power of 7*((-1.14539)*e-30)+x to the power of 6*((-3.05711)*e-28)+x to the power of 5*(9.48465*e-26)+x to the power of 4*(1.99067*e-24)+x to the power of 3*((-1.71101)*e-21)+x to the power of 2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(1010^7)=x^9((-7.2801)e-36)+x^8(6.27271e-33)+x^7((-1.14539)e-30)+x^6((-3.05711)e-28)+x^5(9.48465e-26)+x^4(1.99067e-24)+x^3((-1.71101)e-21)+x^2(3.43537e-20)+0.03778x-0.95544
- 87/(10107)=x9((-7.2801)e-36)+x8(6.27271e-33)+x7((-1.14539)e-30)+x6((-3.05711)e-28)+x5(9.48465e-26)+x4(1.99067e-24)+x3((-1.71101)e-21)+x2(3.43537e-20)+0.03778x-0.95544
- 87/10107=x9-7.2801e-36+x86.27271e-33+x7-1.14539e-30+x6-3.05711e-28+x59.48465e-26+x41.99067e-24+x3-1.71101e-21+x23.43537e-20+0.03778x-0.95544
- 87/1010^7=x^9-7.2801e-36+x^86.27271e-33+x^7-1.14539e-30+x^6-3.05711e-28+x^59.48465e-26+x^41.99067e-24+x^3-1.71101e-21+x^23.43537e-20+0.03778x-0.95544
- 87 divide by (10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
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Similar expressions
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)-x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x+0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e+26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)-x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)-x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)-x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e+21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e+36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)-0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e+28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e+30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)-x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e+24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)-x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e+33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)-x^2*(3.43537*e-20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e+20)+0.03778*x-0.95544
- 87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544
87/(10*10^7)=x^9*((-7.2801)*e-36)+x^8*(6.27271*e-33)+x^7*((-1.14539)*e-30)+x^6*((-3.05711)*e-28)+x^5*(9.48465*e-26)+x^4*(1.99067*e-24)+x^3*((-1.71101)*e-21)+x^2*(3.43537*e-20)+0.03778*x-0.95544 equation
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9 8 7 6 5 4 3 2 8.7e-7 = x *(-7.2801*E - 36) + x *(6.27271*E - 33) + x *(-1.14539*E - 30) + x *(-3.05711*E - 28) + x *(9.48465*E - 26) + x *(1.99067*E - 24) + x *(-1.71101*E - 21) + x *(3.43537*E - 20) + 0.03778*x - 0.95544
$$8.7 \cdot 10^{-7} = \left(0.03778 x + \left(x^{2} \left(-20 + 3.43537 e\right) + \left(x^{3} \left(-21 - 1.71101 e\right) + \left(x^{4} \left(-24 + 1.99067 e\right) + \left(x^{5} \left(-26 + 9.48465 e\right) + \left(x^{6} \left(-28 - 3.05711 e\right) + \left(x^{7} \left(-30 - 1.14539 e\right) + \left(x^{9} \left(-36 - 7.2801 e\right) + x^{8} \left(-33 + 6.27271 e\right)\right)\right)\right)\right)\right)\right)\right)\right) - 0.95544$$