Mister Exam

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How to use it?
Factor polynomial:
x^3+y^3+z^3
x^3-8*x^2-23*x+210
x^3-6*x*y+y^3
-x^3+6*x-4*x-8
Least common denominator:
tan((x-pi)/4)-tan((x+pi)/4)
(n*n-2*n)/(n+1)-(n*n-1)/(n+2)
n+6/(4*n+8)-n+2/(4*n-8)+5/(n^2-4)
n+3/(2*n+2)-n+1/(2*n-2)+3/(n^2-1)
Factor squared:
x^2+9*x-6
x^2+5*x+7
-x^2+4*x*y-y^2
-x^2-5*x+14
How do you in partial fractions?:
x^2-9/(x+3)^2
(x^3+2)/(x^3-4x)
(C^2-5c)/(c^2-25)
(9*a^2-16)*(1*(3*a-4)-1/(3*a+4))
Identical expressions
x^ three - eight *x^ two - twenty-three *x+ two hundred and ten
x cubed minus 8 multiply by x squared minus 23 multiply by x plus 210
x to the power of three minus eight multiply by x to the power of two minus twenty minus three multiply by x plus two hundred and ten
x3-8*x2-23*x+210
x³-8*x²-23*x+210
x to the power of 3-8*x to the power of 2-23*x+210
x^3-8x^2-23x+210
x3-8x2-23x+210
Similar expressions
x^3-8*x^2+23*x+210
x^3-8*x^2-23*x-210
x^3+8*x^2-23*x+210

Factor polynomial x^3-8x^2-23x+210

You have entered [src]

 3      2             
x  - 8*x  - 23*x + 210

$$\left(- 23 x + \left(x^{3} - 8 x^{2}\right)\right) + 210$$

x^3 - 8*x^2 - 23*x + 210

Factorization [src]

(x + 5)*(x - 6)*(x - 7)

$$\left(x - 6\right) \left(x + 5\right) \left(x - 7\right)$$

((x + 5)*(x - 6))*(x - 7)

General simplification [src]

       3             2
210 + x  - 23*x - 8*x

$$x^{3} - 8 x^{2} - 23 x + 210$$

210 + x^3 - 23*x - 8*x^2

Common denominator [src]

       3             2
210 + x  - 23*x - 8*x

$$x^{3} - 8 x^{2} - 23 x + 210$$

210 + x^3 - 23*x - 8*x^2

Combinatorics [src]

(-7 + x)*(-6 + x)*(5 + x)

$$\left(x - 7\right) \left(x - 6\right) \left(x + 5\right)$$

(-7 + x)*(-6 + x)*(5 + x)

Numerical answer [src]

210.0 + x^3 - 8.0*x^2 - 23.0*x

210.0 + x^3 - 8.0*x^2 - 23.0*x

Trigonometric part [src]

       3             2
210 + x  - 23*x - 8*x

$$x^{3} - 8 x^{2} - 23 x + 210$$

210 + x^3 - 23*x - 8*x^2

Combining rational expressions [src]

210 + x*(-23 + x*(-8 + x))

$$x \left(x \left(x - 8\right) - 23\right) + 210$$

210 + x*(-23 + x*(-8 + x))

Rational denominator [src]

       3             2
210 + x  - 23*x - 8*x

$$x^{3} - 8 x^{2} - 23 x + 210$$

210 + x^3 - 23*x - 8*x^2

Powers [src]

       3             2
210 + x  - 23*x - 8*x

$$x^{3} - 8 x^{2} - 23 x + 210$$

210 + x^3 - 23*x - 8*x^2

Assemble expression [src]

       3             2
210 + x  - 23*x - 8*x

$$x^{3} - 8 x^{2} - 23 x + 210$$

210 + x^3 - 23*x - 8*x^2

Factor polynomial x^3-8*x^2-23*x+210