(5b)(-3b)=

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Solution for (5b)(-3b)= equation: 


Simplifying
(5b)(-3b) = 0

Remove parenthesis around (5b)
5b(-3b) = 0

Remove parenthesis around (-3b)
5b * -3b = 0

Reorder the terms for easier multiplication:
5 * -3b * b = 0

Multiply 5 * -3
-15b * b = 0

Multiply b * b
-15b2 = 0

Solving
-15b2 = 0

Solving for variable 'b'.

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

Divide each side by '-15'.
b2 = 0

Simplifying
b2 = 0

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

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