x^2+32x-64=0

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Solution for x^2+32x-64=0 equation:


Simplifying
x2 + 32x + -64 = 0

Reorder the terms:
-64 + 32x + x2 = 0

Solving
-64 + 32x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '64' to each side of the equation.
-64 + 32x + 64 + x2 = 0 + 64

Reorder the terms:
-64 + 64 + 32x + x2 = 0 + 64

Combine like terms: -64 + 64 = 0
0 + 32x + x2 = 0 + 64
32x + x2 = 0 + 64

Combine like terms: 0 + 64 = 64
32x + x2 = 64

The x term is 32x.  Take half its coefficient (16).
Square it (256) and add it to both sides.

Add '256' to each side of the equation.
32x + 256 + x2 = 64 + 256

Reorder the terms:
256 + 32x + x2 = 64 + 256

Combine like terms: 64 + 256 = 320
256 + 32x + x2 = 320

Factor a perfect square on the left side:
(x + 16)(x + 16) = 320

Calculate the square root of the right side: 17.88854382

Break this problem into two subproblems by setting 
(x + 16) equal to 17.88854382 and -17.88854382.

Subproblem 1

x + 16 = 17.88854382 Simplifying x + 16 = 17.88854382 Reorder the terms: 16 + x = 17.88854382 Solving 16 + x = 17.88854382 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + x = 17.88854382 + -16 Combine like terms: 16 + -16 = 0 0 + x = 17.88854382 + -16 x = 17.88854382 + -16 Combine like terms: 17.88854382 + -16 = 1.88854382 x = 1.88854382 Simplifying x = 1.88854382

Subproblem 2

x + 16 = -17.88854382 Simplifying x + 16 = -17.88854382 Reorder the terms: 16 + x = -17.88854382 Solving 16 + x = -17.88854382 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + x = -17.88854382 + -16 Combine like terms: 16 + -16 = 0 0 + x = -17.88854382 + -16 x = -17.88854382 + -16 Combine like terms: -17.88854382 + -16 = -33.88854382 x = -33.88854382 Simplifying x = -33.88854382

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.88854382, -33.88854382}

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