-8x^2-11x+110=0

Simple and best practice solution for -8x^2-11x+110=0 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 -8x^2-11x+110=0 equation:


Simplifying
-8x2 + -11x + 110 = 0

Reorder the terms:
110 + -11x + -8x2 = 0

Solving
110 + -11x + -8x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-8 the coefficient of the squared term: 

Divide each side by '-8'.
-13.75 + 1.375x + x2 = 0

Move the constant term to the right:

Add '13.75' to each side of the equation.
-13.75 + 1.375x + 13.75 + x2 = 0 + 13.75

Reorder the terms:
-13.75 + 13.75 + 1.375x + x2 = 0 + 13.75

Combine like terms: -13.75 + 13.75 = 0.00
0.00 + 1.375x + x2 = 0 + 13.75
1.375x + x2 = 0 + 13.75

Combine like terms: 0 + 13.75 = 13.75
1.375x + x2 = 13.75

The x term is 1.375x.  Take half its coefficient (0.6875).
Square it (0.47265625) and add it to both sides.

Add '0.47265625' to each side of the equation.
1.375x + 0.47265625 + x2 = 13.75 + 0.47265625

Reorder the terms:
0.47265625 + 1.375x + x2 = 13.75 + 0.47265625

Combine like terms: 13.75 + 0.47265625 = 14.22265625
0.47265625 + 1.375x + x2 = 14.22265625

Factor a perfect square on the left side:
(x + 0.6875)(x + 0.6875) = 14.22265625

Calculate the square root of the right side: 3.77129371

Break this problem into two subproblems by setting 
(x + 0.6875) equal to 3.77129371 and -3.77129371.

Subproblem 1

x + 0.6875 = 3.77129371 Simplifying x + 0.6875 = 3.77129371 Reorder the terms: 0.6875 + x = 3.77129371 Solving 0.6875 + x = 3.77129371 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6875' to each side of the equation. 0.6875 + -0.6875 + x = 3.77129371 + -0.6875 Combine like terms: 0.6875 + -0.6875 = 0.0000 0.0000 + x = 3.77129371 + -0.6875 x = 3.77129371 + -0.6875 Combine like terms: 3.77129371 + -0.6875 = 3.08379371 x = 3.08379371 Simplifying x = 3.08379371

Subproblem 2

x + 0.6875 = -3.77129371 Simplifying x + 0.6875 = -3.77129371 Reorder the terms: 0.6875 + x = -3.77129371 Solving 0.6875 + x = -3.77129371 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6875' to each side of the equation. 0.6875 + -0.6875 + x = -3.77129371 + -0.6875 Combine like terms: 0.6875 + -0.6875 = 0.0000 0.0000 + x = -3.77129371 + -0.6875 x = -3.77129371 + -0.6875 Combine like terms: -3.77129371 + -0.6875 = -4.45879371 x = -4.45879371 Simplifying x = -4.45879371

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.08379371, -4.45879371}

See similar equations:

| 4.1+10m=7.67 | | 23x-12=5 | | [3y-2]=[4y+5] | | (2x-1)(3x+2)=3x-2+x(x-2) | | 7+5f=4+6f | | 1-i(x+iy)=5-3i | | 4.1=-1+x | | -3(x-11)=-(x-9) | | 11u=-11 | | 4x-3b=2x+7b | | 0.5x+0.5=4x-2 | | 6x-8+3x=2+9x-9 | | 355-5x=0 | | (c+3)-3c-(1-3c)=2 | | axb=15 | | 8(5-X)=(X-10)-(3x-2) | | x+1.2x+1.2x+14=218 | | 25(t+5)=5(5t+25) | | 35-7x=53+3x | | x+14=218 | | -2(6-4d)=25-9d | | s=so+gt^2+kforg | | -144=-4(-7x+1) | | 23-(x+5)=5x-6 | | lx+4l=3 | | 6(t+7)=2(3t+3) | | 4=(m)(9)(2) | | 9y-6-5y+3=0 | | 6m^2-20=9m | | (9x-5)(2x+1)=0 | | (3x-2)(2x-1)=6x^2-2 | | -3(6-8x)=-90 |

Equations solver categories