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Simplifying
4n * 2n = 0
Reorder the terms for easier multiplication:
4 * 2n * n = 0
Multiply 4 * 2
8n * n = 0
Multiply n * n
8n2 = 0
Solving
8n2 = 0
Solving for variable 'n'.
Move all terms containing n to the left, all other terms to the right.
Divide each side by '8'.
n2 = 0
Simplifying
n2 = 0
Take the square root of each side:
n = {0}
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