-x^2=64-16x

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


Simplifying
-1x2 = 64 + -16x

Solving
-1x2 = 64 + -16x

Solving for variable 'x'.

Reorder the terms:
-64 + 16x + -1x2 = 64 + -16x + -64 + 16x

Reorder the terms:
-64 + 16x + -1x2 = 64 + -64 + -16x + 16x

Combine like terms: 64 + -64 = 0
-64 + 16x + -1x2 = 0 + -16x + 16x
-64 + 16x + -1x2 = -16x + 16x

Combine like terms: -16x + 16x = 0
-64 + 16x + -1x2 = 0

Factor a trinomial.
(-8 + x)(8 + -1x) = 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 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 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 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {8, 8}

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