5x*(-4x)=

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Solution for 5x*(-4x)= equation: 


Simplifying
5x(-4x) = 0

Remove parenthesis around (-4x)
5x * -4x = 0

Reorder the terms for easier multiplication:
5 * -4x * x = 0

Multiply 5 * -4
-20x * x = 0

Multiply x * x
-20x2 = 0

Solving
-20x2 = 0

Solving for variable 'x'.

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

Divide each side by '-20'.
x2 = 0.0

Simplifying
x2 = 0.0

Take the square root of each side:
x = {0.0}

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