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

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


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

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

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

Reorder the terms for easier multiplication:
3 * 3(4 + x)(-2 + x) = 0

Multiply 3 * 3
9(4 + x)(-2 + x) = 0

Multiply (4 + x) * (-2 + x)
9(4(-2 + x) + x(-2 + x)) = 0
9((-2 * 4 + x * 4) + x(-2 + x)) = 0
9((-8 + 4x) + x(-2 + x)) = 0
9(-8 + 4x + (-2 * x + x * x)) = 0
9(-8 + 4x + (-2x + x2)) = 0

Combine like terms: 4x + -2x = 2x
9(-8 + 2x + x2) = 0
(-8 * 9 + 2x * 9 + x2 * 9) = 0
(-72 + 18x + 9x2) = 0

Solving
-72 + 18x + 9x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '9'.
9(-8 + 2x + x2) = 0

Factor a trinomial.
9((-4 + -1x)(2 + -1x)) = 0

Ignore the factor 9.

Subproblem 1
Set the factor '(-4 + -1x)' equal to zero and attempt to solve:

Simplifying
-4 + -1x = 0

Solving
-4 + -1x = 0

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

Add '4' to each side of the equation.
-4 + 4 + -1x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1x = 0 + 4
-1x = 0 + 4

Combine like terms: 0 + 4 = 4
-1x = 4

Divide each side by '-1'.
x = -4

Simplifying
x = -4

Subproblem 2
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 = {-4, 2}

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