x*4x=8*x+12

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Solution for x*4x=8*x+12 equation:


Simplifying
x * 4x = 8x + 12

Reorder the terms for easier multiplication:
4x * x = 8x + 12

Multiply x * x
4x2 = 8x + 12

Reorder the terms:
4x2 = 12 + 8x

Solving
4x2 = 12 + 8x

Solving for variable 'x'.

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

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

Combine like terms: 12 + -12 = 0
-12 + -8x + 4x2 = 0 + 8x + -8x
-12 + -8x + 4x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
-12 + -8x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-3 + -2x + x2) = 0

Factor a trinomial.
4((-1 + -1x)(3 + -1x)) = 0

Ignore the factor 4.

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 '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-1, 3}

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