4x^2+12x=x^2

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


Simplifying
4x2 + 12x = x2

Reorder the terms:
12x + 4x2 = x2

Solving
12x + 4x2 = x2

Solving for variable 'x'.

Combine like terms: 4x2 + -1x2 = 3x2
12x + 3x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
12x + 3x2 = 0

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

Ignore the factor 3.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 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 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Solution

x = {0, -4}

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