x^2+6x-114=0

Simple and best practice solution for x^2+6x-114=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 x^2+6x-114=0 equation:


Simplifying
x2 + 6x + -114 = 0

Reorder the terms:
-114 + 6x + x2 = 0

Solving
-114 + 6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '114' to each side of the equation.
-114 + 6x + 114 + x2 = 0 + 114

Reorder the terms:
-114 + 114 + 6x + x2 = 0 + 114

Combine like terms: -114 + 114 = 0
0 + 6x + x2 = 0 + 114
6x + x2 = 0 + 114

Combine like terms: 0 + 114 = 114
6x + x2 = 114

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = 114 + 9

Reorder the terms:
9 + 6x + x2 = 114 + 9

Combine like terms: 114 + 9 = 123
9 + 6x + x2 = 123

Factor a perfect square on the left side:
(x + 3)(x + 3) = 123

Calculate the square root of the right side: 11.090536506

Break this problem into two subproblems by setting 
(x + 3) equal to 11.090536506 and -11.090536506.

Subproblem 1

x + 3 = 11.090536506 Simplifying x + 3 = 11.090536506 Reorder the terms: 3 + x = 11.090536506 Solving 3 + x = 11.090536506 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 11.090536506 + -3 Combine like terms: 3 + -3 = 0 0 + x = 11.090536506 + -3 x = 11.090536506 + -3 Combine like terms: 11.090536506 + -3 = 8.090536506 x = 8.090536506 Simplifying x = 8.090536506

Subproblem 2

x + 3 = -11.090536506 Simplifying x + 3 = -11.090536506 Reorder the terms: 3 + x = -11.090536506 Solving 3 + x = -11.090536506 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -11.090536506 + -3 Combine like terms: 3 + -3 = 0 0 + x = -11.090536506 + -3 x = -11.090536506 + -3 Combine like terms: -11.090536506 + -3 = -14.090536506 x = -14.090536506 Simplifying x = -14.090536506

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.090536506, -14.090536506}

See similar equations:

| 2y-4=21 | | (3/4)k-(1/3)=(1/2) | | 2(3x-6)-4=2(x-5)+30 | | 2x-10+3x=20 | | 12r=6s+t | | (1/2p-16)(2p-1/4)=0 | | 3x/5×100/x×4 | | 2p^4/5=1/8 | | b=7x+11 | | ac=7x+11 | | (12c+5)(-6c-2)=0 | | (Z-7)2/3=5 | | 4/t=5/7 | | Log[2](3x+6)=5 | | (7y-10)(2y-11)=0 | | .8n+240=n | | 8m-7+m=5m+27 | | (-6b+9)(8b-1)=0 | | 4x-3=3x+67 | | 9-4x-8x+3= | | logx+log(x+3)+4=5 | | 19+7z+15m-4z-5m-7= | | -10x+3=31 | | (-2a-1)(-4a-8)=0 | | 5/3x-2=0 | | m^3/4=5 | | (9x+5)(3x-6)=0 | | 4x=-2-5y | | 4(x+1)=2x+2 | | 2(x+5.7)-x=5x-1 | | 3x^3-3x^2-27x+27=0 | | x/8=7/9 |

Equations solver categories