x^2+64=-16x

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Solution for x^2+64=-16x equation:


Simplifying
x2 + 64 = -16x

Reorder the terms:
64 + x2 = -16x

Solving
64 + x2 = -16x

Solving for variable 'x'.

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

Combine like terms: -16x + 16x = 0
64 + 16x + x2 = 0

Factor a trinomial.
(8 + x)(8 + x) = 0

Subproblem 1

Set the factor '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 0 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 = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 0 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 = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8

Solution

x = {-8, -8}

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