(3x-12)-(12x)=3x^2-12

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Solution for (3x-12)-(12x)=3x^2-12 equation:


Simplifying
(3x + -12) + -1(12x) = 3x2 + -12

Reorder the terms:
(-12 + 3x) + -1(12x) = 3x2 + -12

Remove parenthesis around (-12 + 3x)
-12 + 3x + -1(12x) = 3x2 + -12

Remove parenthesis around (12x)
-12 + 3x + -1 * 12x = 3x2 + -12

Multiply -1 * 12
-12 + 3x + -12x = 3x2 + -12

Combine like terms: 3x + -12x = -9x
-12 + -9x = 3x2 + -12

Reorder the terms:
-12 + -9x = -12 + 3x2

Add '12' to each side of the equation.
-12 + 12 + -9x = -12 + 12 + 3x2

Combine like terms: -12 + 12 = 0
0 + -9x = -12 + 12 + 3x2
-9x = -12 + 12 + 3x2

Combine like terms: -12 + 12 = 0
-9x = 0 + 3x2
-9x = 3x2

Solving
-9x = 3x2

Solving for variable 'x'.

Combine like terms: 3x2 + -3x2 = 0
-9x + -3x2 = 0

Factor out the Greatest Common Factor (GCF), '-3x'.
-3x(3 + 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 '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {0, -3}

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