3n(4n+5n)=

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Solution for 3n(4n+5n)= equation: 


Simplifying
3n(4n + 5n) = 0

Combine like terms: 4n + 5n = 9n
3n(9n) = 0

Remove parenthesis around (9n)
3n * 9n = 0

Reorder the terms for easier multiplication:
3 * 9n * n = 0

Multiply 3 * 9
27n * n = 0

Multiply n * n
27n2 = 0

Solving
27n2 = 0

Solving for variable 'n'.

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

Divide each side by '27'.
n2 = 0

Simplifying
n2 = 0

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

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