(2x+18)(4x)=

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Solution for (2x+18)(4x)= equation: 


Simplifying
(2x + 18)(4x) = 0

Reorder the terms:
(18 + 2x)(4x) = 0

Remove parenthesis around (4x)
(18 + 2x) * 4x = 0

Reorder the terms for easier multiplication:
4x(18 + 2x) = 0
(18 * 4x + 2x * 4x) = 0
(72x + 8x2) = 0

Solving
72x + 8x2 = 0

Solving for variable 'x'.

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

Ignore the factor 8.

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 '(9 + x)' equal to zero and attempt to solve:

Simplifying
9 + x = 0

Solving
9 + x = 0

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

Add '-9' to each side of the equation.
9 + -9 + x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + x = 0 + -9
x = 0 + -9

Combine like terms: 0 + -9 = -9
x = -9

Simplifying
x = -9
Solution
x = {0, -9}

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