(2b)(-2b)=

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Solution for (2b)(-2b)= equation: 


Simplifying
(2b)(-2b) = 0

Remove parenthesis around (2b)
2b(-2b) = 0

Remove parenthesis around (-2b)
2b * -2b = 0

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

Multiply 2 * -2
-4b * b = 0

Multiply b * b
-4b2 = 0

Solving
-4b2 = 0

Solving for variable 'b'.

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

Divide each side by '-4'.
b2 = 0

Simplifying
b2 = 0

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

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