(3x)(-x)=

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Solution for (3x)(-x)= equation: 


Simplifying
(3x)(-1x) = 0

Remove parenthesis around (3x)
3x(-1x) = 0

Remove parenthesis around (-1x)
3x * -1x = 0

Reorder the terms for easier multiplication:
3 * -1x * x = 0

Multiply 3 * -1
-3x * x = 0

Multiply x * x
-3x2 = 0

Solving
-3x2 = 0

Solving for variable 'x'.

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

Divide each side by '-3'.
x2 = 0

Simplifying
x2 = 0

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

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