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  • Equation:
  • Equation 81*x^3+18*x^2+x=0 Equation 81*x^3+18*x^2+x=0
  • Equation (4-x)^2=(x+17)^2 Equation (4-x)^2=(x+17)^2
  • Equation 6=8-5(7x-1) Equation 6=8-5(7x-1)
  • Equation -5+9x=10x+4 Equation -5+9x=10x+4
  • Express {x} in terms of y where:
  • -13*x+7*y=-15
  • -14*x-8*y=20
  • -1*x+4*y=-10
  • -2*x-19*y=3

  • Identical expressions

  • six hundred and eighty , thirty-five * ten ^(- nine)=(two * sixty-one , eight * ten ^(- nine))/(three * ten ^ eight)*sqrt((two * one , thirty-eight * ten ^(- twenty-three)*x)/ zero , forty-eight)
  • 680,35 multiply by 10 to the power of ( minus 9) equally (2 multiply by 61,8 multiply by 10 to the power of ( minus 9)) divide by (3 multiply by 10 to the power of 8) multiply by square root of ((2 multiply by 1,38 multiply by 10 to the power of ( minus 23) multiply by x) divide by 0,048)
  • six hundred and eighty , thirty minus five multiply by ten to the power of ( minus nine) equally (two multiply by sixty minus one , eight multiply by ten to the power of ( minus nine)) divide by (three multiply by ten to the power of eight) multiply by square root of ((two multiply by one , thirty minus eight multiply by ten to the power of ( minus twenty minus three) multiply by x) divide by zero , forty minus eight)
  • 680,35*10^(-9)=(2*61,8*10^(-9))/(3*10^8)*√((2*1,38*10^(-23)*x)/0,048)
  • 680,35*10(-9)=(2*61,8*10(-9))/(3*108)*sqrt((2*1,38*10(-23)*x)/0,048)
  • 680,35*10-9=2*61,8*10-9/3*108*sqrt2*1,38*10-23*x/0,048
  • 680,35*10^(-9)=(2*61,8*10^(-9))/(3*10⁸)*sqrt((2*1,38*10^(-23)*x)/0,048)
  • 680,3510^(-9)=(261,810^(-9))/(310^8)sqrt((21,3810^(-23)x)/0,048)
  • 680,3510(-9)=(261,810(-9))/(3108)sqrt((21,3810(-23)x)/0,048)
  • 680,3510-9=261,810-9/3108sqrt21,3810-23x/0,048
  • 680,3510^-9=261,810^-9/310^8sqrt21,3810^-23x/0,048
  • 680,35*10^(-9)=(2*61,8*10^(-9)) divide by (3*10^8)*sqrt((2*1,38*10^(-23)*x) divide by 0,048)

  • Similar expressions

  • 680,35*10^(-9)=(2*61,8*10^(9))/(3*10^8)*sqrt((2*1,38*10^(-23)*x)/0,048)
  • 680,35*10^(9)=(2*61,8*10^(-9))/(3*10^8)*sqrt((2*1,38*10^(-23)*x)/0,048)
  • 680,35*10^(-9)=(2*61,8*10^(-9))/(3*10^8)*sqrt((2*1,38*10^(23)*x)/0,048)

680,35*10^(-9)=(2*61,8*10^(-9))/(3*10^8)*sqrt((2*1,38*10^(-23)*x)/0,048) equation

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Numerical solution:

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The solution

You have entered [src] 
                                  ________________
               309*2             / 69*2           
               -----*1.0e-9     /  ----*1.0e-23*x 
13607*1.0e-9     5             /    50            
------------ = ------------*  /    -------------- 
     20         300000000   \/         6/125
$$\frac{1.0 \cdot 10^{-9} \cdot 13607}{20} = \frac{1.0 \cdot 10^{-9} \frac{2 \cdot 309}{5}}{300000000} \sqrt{\frac{x 1.0 \cdot 10^{-23} \frac{2 \cdot 69}{50}}{\frac{6}{125}}}$$
Simplify
The graph
Plot the graph f1(x)
Plot the graph f2(x)
Rapid solution [src] 
x1 = 4.74244716852386e+39
$$x_{1} = 4.74244716852386 \cdot 10^{39}$$ 
x1 = 4.74244716852386e+39
Sum and product of roots [src] 
sum
4.74244716852386e+39
$$4.74244716852386 \cdot 10^{39}$$ 
=
4.74244716852386e+39
$$4.74244716852386 \cdot 10^{39}$$ 
product
4.74244716852386e+39
$$4.74244716852386 \cdot 10^{39}$$ 
=
4.74244716852386e+39
$$4.74244716852386 \cdot 10^{39}$$ 
4.74244716852386e+39
Numerical answer [src] 
x1 = 4.74244716852386e+39 + 9462.80380970704*i
x2 = 4.74244716852386e+39 + 9827.77022664474*i
x3 = 4.74244716852386e+39 + 10571.4263007694*i
x4 = 4.74244716852386e+39
x5 = 4.74244716852386e+39 + 7362.56105643563*i
x6 = 4.74244716852386e+39 + 11025.9145587674*i
x7 = 4.74244716852386e+39 + 9619.51824262574*i
x8 = 4.74244716852386e+39 + 12213.6404471503*i
x9 = 4.74244716852386e+39 + 12449.4197259599*i
x10 = 4.74244716852386e+39 + 9666.55788562007*i
x11 = 4.74244716852386e+39 + 9802.65538734301*i
x12 = 4.74244716852386e+39 + 8397.90335297736*i
x13 = 4.74244716852386e+39 + 10863.7674736933*i
x14 = 4.74244716852386e+39 + 10563.5341079875*i
x15 = 4.74244716852386e+39 + 8564.24165802066*i
x16 = 4.74244716852386e+39 + 6889.63237084293*i
x17 = 4.74244716852386e+39 + 10045.1590353366*i
x18 = 4.74244716852386e+39 + 6027.38119254912*i
x19 = 4.74244716852386e+39 + 11916.812657407*i
x20 = 4.74244716852386e+39 + 8941.57459119798*i
x21 = 4.74244716852386e+39 + 4684.52422516867*i
x22 = 4.74244716852386e+39 + 4629.76275242475*i
x23 = 4.74244716852386e+39 + 7303.90917482808*i
x23 = 4.74244716852386e+39 + 7303.90917482808*i
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