5n*9n=

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Solution for 5n*9n= equation: 


Simplifying
5n * 9n = 0

Reorder the terms for easier multiplication:
5 * 9n * n = 0

Multiply 5 * 9
45n * n = 0

Multiply n * n
45n2 = 0

Solving
45n2 = 0

Solving for variable 'n'.

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

Divide each side by '45'.
n2 = 0

Simplifying
n2 = 0

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

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