n(n)+4=40

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Solution for n(n)+4=40 equation: 


Simplifying
n(n) + 4 = 40

Multiply n * n
n2 + 4 = 40

Reorder the terms:
4 + n2 = 40

Solving
4 + n2 = 40

Solving for variable 'n'.

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

Add '-4' to each side of the equation.
4 + -4 + n2 = 40 + -4

Combine like terms: 4 + -4 = 0
0 + n2 = 40 + -4
n2 = 40 + -4

Combine like terms: 40 + -4 = 36
n2 = 36

Simplifying
n2 = 36

Take the square root of each side:
n = {-6, 6}

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