(2x^2-4x)(x+3)=0

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Solution for (2x^2-4x)(x+3)=0 equation:


Simplifying
(2x2 + -4x)(x + 3) = 0

Reorder the terms:
(-4x + 2x2)(x + 3) = 0

Reorder the terms:
(-4x + 2x2)(3 + x) = 0

Multiply (-4x + 2x2) * (3 + x)
(-4x * (3 + x) + 2x2 * (3 + x)) = 0
((3 * -4x + x * -4x) + 2x2 * (3 + x)) = 0
((-12x + -4x2) + 2x2 * (3 + x)) = 0
(-12x + -4x2 + (3 * 2x2 + x * 2x2)) = 0
(-12x + -4x2 + (6x2 + 2x3)) = 0

Combine like terms: -4x2 + 6x2 = 2x2
(-12x + 2x2 + 2x3) = 0

Solving
-12x + 2x2 + 2x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2x'.
2x(-6 + x + x2) = 0

Factor a trinomial.
2x((-3 + -1x)(2 + -1x)) = 0

Ignore the factor 2.

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 + -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

Subproblem 3
Set the factor '(2 + -1x)' equal to zero and attempt to solve:

Simplifying
2 + -1x = 0

Solving
2 + -1x = 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 + -1x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1x = 0 + -2
-1x = 0 + -2

Combine like terms: 0 + -2 = -2
-1x = -2

Divide each side by '-1'.
x = 2

Simplifying
x = 2
Solution
x = {0, -3, 2}

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