x^2-16x-3200=0

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Solution for x^2-16x-3200=0 equation:


Simplifying
x2 + -16x + -3200 = 0

Reorder the terms:
-3200 + -16x + x2 = 0

Solving
-3200 + -16x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '3200' to each side of the equation.
-3200 + -16x + 3200 + x2 = 0 + 3200

Reorder the terms:
-3200 + 3200 + -16x + x2 = 0 + 3200

Combine like terms: -3200 + 3200 = 0
0 + -16x + x2 = 0 + 3200
-16x + x2 = 0 + 3200

Combine like terms: 0 + 3200 = 3200
-16x + x2 = 3200

The x term is -16x.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16x + 64 + x2 = 3200 + 64

Reorder the terms:
64 + -16x + x2 = 3200 + 64

Combine like terms: 3200 + 64 = 3264
64 + -16x + x2 = 3264

Factor a perfect square on the left side:
(x + -8)(x + -8) = 3264

Calculate the square root of the right side: 57.131427428

Break this problem into two subproblems by setting 
(x + -8) equal to 57.131427428 and -57.131427428.

Subproblem 1

x + -8 = 57.131427428 Simplifying x + -8 = 57.131427428 Reorder the terms: -8 + x = 57.131427428 Solving -8 + x = 57.131427428 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = 57.131427428 + 8 Combine like terms: -8 + 8 = 0 0 + x = 57.131427428 + 8 x = 57.131427428 + 8 Combine like terms: 57.131427428 + 8 = 65.131427428 x = 65.131427428 Simplifying x = 65.131427428

Subproblem 2

x + -8 = -57.131427428 Simplifying x + -8 = -57.131427428 Reorder the terms: -8 + x = -57.131427428 Solving -8 + x = -57.131427428 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = -57.131427428 + 8 Combine like terms: -8 + 8 = 0 0 + x = -57.131427428 + 8 x = -57.131427428 + 8 Combine like terms: -57.131427428 + 8 = -49.131427428 x = -49.131427428 Simplifying x = -49.131427428

Solution

The solution to the problem is based on the solutions from the subproblems. x = {65.131427428, -49.131427428}

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