(-9x)(2x)=

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Solution for (-9x)(2x)= equation: 


Simplifying
(-9x)(2x) = 0

Remove parenthesis around (-9x)
-9x(2x) = 0

Remove parenthesis around (2x)
-9x * 2x = 0

Reorder the terms for easier multiplication:
-9 * 2x * x = 0

Multiply -9 * 2
-18x * x = 0

Multiply x * x
-18x2 = 0

Solving
-18x2 = 0

Solving for variable 'x'.

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

Divide each side by '-18'.
x2 = 0

Simplifying
x2 = 0

Take the square root of each side:
x = {0}

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