15n^2-(3n^2+4n^2)=

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Solution for 15n^2-(3n^2+4n^2)= equation: 


Simplifying
15n2 + -1(3n2 + 4n2) = 0

Combine like terms: 3n2 + 4n2 = 7n2
15n2 + -1(7n2) = 0

Remove parenthesis around (7n2)
15n2 + -1 * 7n2 = 0

Multiply -1 * 7
15n2 + -7n2 = 0

Combine like terms: 15n2 + -7n2 = 8n2
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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