x^2+12=8x-4

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Solution for x^2+12=8x-4 equation:


Simplifying
x2 + 12 = 8x + -4

Reorder the terms:
12 + x2 = 8x + -4

Reorder the terms:
12 + x2 = -4 + 8x

Solving
12 + x2 = -4 + 8x

Solving for variable 'x'.

Reorder the terms:
12 + 4 + -8x + x2 = -4 + 8x + 4 + -8x

Combine like terms: 12 + 4 = 16
16 + -8x + x2 = -4 + 8x + 4 + -8x

Reorder the terms:
16 + -8x + x2 = -4 + 4 + 8x + -8x

Combine like terms: -4 + 4 = 0
16 + -8x + x2 = 0 + 8x + -8x
16 + -8x + x2 = 8x + -8x

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

Factor a trinomial.
(4 + -1x)(4 + -1x) = 0

Subproblem 1

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {4, 4}

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