x^2+8x-1088=0

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Solution for x^2+8x-1088=0 equation:


Simplifying
x2 + 8x + -1088 = 0

Reorder the terms:
-1088 + 8x + x2 = 0

Solving
-1088 + 8x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '1088' to each side of the equation.
-1088 + 8x + 1088 + x2 = 0 + 1088

Reorder the terms:
-1088 + 1088 + 8x + x2 = 0 + 1088

Combine like terms: -1088 + 1088 = 0
0 + 8x + x2 = 0 + 1088
8x + x2 = 0 + 1088

Combine like terms: 0 + 1088 = 1088
8x + x2 = 1088

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = 1088 + 16

Reorder the terms:
16 + 8x + x2 = 1088 + 16

Combine like terms: 1088 + 16 = 1104
16 + 8x + x2 = 1104

Factor a perfect square on the left side:
(x + 4)(x + 4) = 1104

Calculate the square root of the right side: 33.226495452

Break this problem into two subproblems by setting 
(x + 4) equal to 33.226495452 and -33.226495452.

Subproblem 1

x + 4 = 33.226495452 Simplifying x + 4 = 33.226495452 Reorder the terms: 4 + x = 33.226495452 Solving 4 + x = 33.226495452 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 33.226495452 + -4 Combine like terms: 4 + -4 = 0 0 + x = 33.226495452 + -4 x = 33.226495452 + -4 Combine like terms: 33.226495452 + -4 = 29.226495452 x = 29.226495452 Simplifying x = 29.226495452

Subproblem 2

x + 4 = -33.226495452 Simplifying x + 4 = -33.226495452 Reorder the terms: 4 + x = -33.226495452 Solving 4 + x = -33.226495452 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = -33.226495452 + -4 Combine like terms: 4 + -4 = 0 0 + x = -33.226495452 + -4 x = -33.226495452 + -4 Combine like terms: -33.226495452 + -4 = -37.226495452 x = -37.226495452 Simplifying x = -37.226495452

Solution

The solution to the problem is based on the solutions from the subproblems. x = {29.226495452, -37.226495452}

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