7b(-2b)=

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Solution for 7b(-2b)= equation: 


Simplifying
7b(-2b) = 0

Remove parenthesis around (-2b)
7b * -2b = 0

Reorder the terms for easier multiplication:
7 * -2b * b = 0

Multiply 7 * -2
-14b * b = 0

Multiply b * b
-14b2 = 0

Solving
-14b2 = 0

Solving for variable 'b'.

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

Divide each side by '-14'.
b2 = 0

Simplifying
b2 = 0

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

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