x^2+8x-184=0

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Solution for x^2+8x-184=0 equation:


Simplifying
x2 + 8x + -184 = 0

Reorder the terms:
-184 + 8x + x2 = 0

Solving
-184 + 8x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '184' to each side of the equation.
-184 + 8x + 184 + x2 = 0 + 184

Reorder the terms:
-184 + 184 + 8x + x2 = 0 + 184

Combine like terms: -184 + 184 = 0
0 + 8x + x2 = 0 + 184
8x + x2 = 0 + 184

Combine like terms: 0 + 184 = 184
8x + x2 = 184

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 = 184 + 16

Reorder the terms:
16 + 8x + x2 = 184 + 16

Combine like terms: 184 + 16 = 200
16 + 8x + x2 = 200

Factor a perfect square on the left side:
(x + 4)(x + 4) = 200

Calculate the square root of the right side: 14.142135624

Break this problem into two subproblems by setting 
(x + 4) equal to 14.142135624 and -14.142135624.

Subproblem 1

x + 4 = 14.142135624 Simplifying x + 4 = 14.142135624 Reorder the terms: 4 + x = 14.142135624 Solving 4 + x = 14.142135624 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 = 14.142135624 + -4 Combine like terms: 4 + -4 = 0 0 + x = 14.142135624 + -4 x = 14.142135624 + -4 Combine like terms: 14.142135624 + -4 = 10.142135624 x = 10.142135624 Simplifying x = 10.142135624

Subproblem 2

x + 4 = -14.142135624 Simplifying x + 4 = -14.142135624 Reorder the terms: 4 + x = -14.142135624 Solving 4 + x = -14.142135624 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 = -14.142135624 + -4 Combine like terms: 4 + -4 = 0 0 + x = -14.142135624 + -4 x = -14.142135624 + -4 Combine like terms: -14.142135624 + -4 = -18.142135624 x = -18.142135624 Simplifying x = -18.142135624

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.142135624, -18.142135624}

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