(4n)(5n)=

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Solution for (4n)(5n)= equation: 


Simplifying
(4n)(5n) = 0

Remove parenthesis around (4n)
4n(5n) = 0

Remove parenthesis around (5n)
4n * 5n = 0

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

Multiply 4 * 5
20n * n = 0

Multiply n * n
20n2 = 0

Solving
20n2 = 0

Solving for variable 'n'.

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

Divide each side by '20'.
n2 = 0.0

Simplifying
n2 = 0.0

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

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