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

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


Simplifying
0 = -3(x2 + 2x)

Reorder the terms:
0 = -3(2x + x2)
0 = (2x * -3 + x2 * -3)
0 = (-6x + -3x2)

Solving
0 = -6x + -3x2

Solving for variable 'x'.
Remove the zero:
6x + 3x2 = -6x + -3x2 + 6x + 3x2

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

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

Combine like terms: -3x2 + 3x2 = 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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