3x^2-31x=-110

Simple and best practice solution for 3x^2-31x=-110 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3x^2-31x=-110 equation:


Simplifying
3x2 + -31x = -110

Reorder the terms:
-31x + 3x2 = -110

Solving
-31x + 3x2 = -110

Solving for variable 'x'.

Reorder the terms:
110 + -31x + 3x2 = -110 + 110

Combine like terms: -110 + 110 = 0
110 + -31x + 3x2 = 0

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
36.66666667 + -10.33333333x + x2 = 0

Move the constant term to the right:

Add '-36.66666667' to each side of the equation.
36.66666667 + -10.33333333x + -36.66666667 + x2 = 0 + -36.66666667

Reorder the terms:
36.66666667 + -36.66666667 + -10.33333333x + x2 = 0 + -36.66666667

Combine like terms: 36.66666667 + -36.66666667 = 0.00000000
0.00000000 + -10.33333333x + x2 = 0 + -36.66666667
-10.33333333x + x2 = 0 + -36.66666667

Combine like terms: 0 + -36.66666667 = -36.66666667
-10.33333333x + x2 = -36.66666667

The x term is -10.33333333x.  Take half its coefficient (-5.166666665).
Square it (26.69444443) and add it to both sides.

Add '26.69444443' to each side of the equation.
-10.33333333x + 26.69444443 + x2 = -36.66666667 + 26.69444443

Reorder the terms:
26.69444443 + -10.33333333x + x2 = -36.66666667 + 26.69444443

Combine like terms: -36.66666667 + 26.69444443 = -9.97222224
26.69444443 + -10.33333333x + x2 = -9.97222224

Factor a perfect square on the left side:
(x + -5.166666665)(x + -5.166666665) = -9.97222224

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| t=20.00+16.50m | | 11-3t=8-3t | | 9t-3t=18 | | 2x+7=x+2 | | -4-(4-5x)= | | x+2=5x+1-2+7 | | 18=-9w | | 0=-16x^2+85x | | y=-16x^2+85x | | 5-(-4)= | | 4x+10+2x-20=2x+5+x | | x^3-6x^2+7x=0 | | 2x^3+6x^2+16x+24=0 | | -2y^2+7y-5=0 | | 2x-(3-x)+1=10 | | 5x^2-15x-90= | | 7(4-n)+7=18 | | 24x=-48 | | 9n^2+1=6n | | -9-r=r-1 | | 5-3xk=19 | | 3x^2+2x+30=0 | | 2x+4=7x+28-x | | 10x-1+3x+2=x-25 | | 4(x-12)+7=11 | | 2(x+2)=2(x+2) | | 2m-26=-47+5m | | 2r-15=-15+8r | | -(2x+3)=2(x+3)+x | | 2(x+2)=x+4 | | -2y+7=2 | | 1+6n+4n=-4+3+5n-3 |

Equations solver categories