3x^2+12x=3x(x+4x)

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Solution for 3x^2+12x=3x(x+4x) equation:


Simplifying
3x2 + 12x = 3x(x + 4x)

Reorder the terms:
12x + 3x2 = 3x(x + 4x)

Combine like terms: x + 4x = 5x
12x + 3x2 = 3x(5x)

Remove parenthesis around (5x)
12x + 3x2 = 3x * 5x

Reorder the terms for easier multiplication:
12x + 3x2 = 3 * 5x * x

Multiply 3 * 5
12x + 3x2 = 15x * x

Multiply x * x
12x + 3x2 = 15x2

Solving
12x + 3x2 = 15x2

Solving for variable 'x'.

Combine like terms: 3x2 + -15x2 = -12x2
12x + -12x2 = 15x2 + -15x2

Combine like terms: 15x2 + -15x2 = 0
12x + -12x2 = 0

Factor out the Greatest Common Factor (GCF), '12x'.
12x(1 + -1x) = 0

Ignore the factor 12.

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 '(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

Solution

x = {0, 1}

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