8x^2=8x+16

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Solution for 8x^2=8x+16 equation:


Simplifying
8x2 = 8x + 16

Reorder the terms:
8x2 = 16 + 8x

Solving
8x2 = 16 + 8x

Solving for variable 'x'.

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

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

Combine like terms: 16 + -16 = 0
-16 + -8x + 8x2 = 0 + 8x + -8x
-16 + -8x + 8x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
-16 + -8x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '8'.
8(-2 + -1x + x2) = 0

Factor a trinomial.
8((-1 + -1x)(2 + -1x)) = 0

Ignore the factor 8.

Subproblem 1

Set the factor '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {-1, 2}

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