3x(x+2)=12x

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


Simplifying
3x(x + 2) = 12x

Reorder the terms:
3x(2 + x) = 12x
(2 * 3x + x * 3x) = 12x
(6x + 3x2) = 12x

Solving
6x + 3x2 = 12x

Solving for variable 'x'.

Reorder the terms:
6x + -12x + 3x2 = 12x + -12x

Combine like terms: 6x + -12x = -6x
-6x + 3x2 = 12x + -12x

Combine like terms: 12x + -12x = 0
-6x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-2 + 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 '(-2 + x)' equal to zero and attempt to solve:

Simplifying
-2 + x = 0

Solving
-2 + x = 0

Move all terms containing x to the left, all other terms to the right.

Add '2' to each side of the equation.
-2 + 2 + x = 0 + 2

Combine like terms: -2 + 2 = 0
0 + x = 0 + 2
x = 0 + 2

Combine like terms: 0 + 2 = 2
x = 2

Simplifying
x = 2
Solution
x = {0, 2}

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