n*n-7=19

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Solution for n*n-7=19 equation: 


Simplifying
n * n + -7 = 19

Multiply n * n
n2 + -7 = 19

Reorder the terms:
-7 + n2 = 19

Solving
-7 + n2 = 19

Solving for variable 'n'.

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

Add '7' to each side of the equation.
-7 + 7 + n2 = 19 + 7

Combine like terms: -7 + 7 = 0
0 + n2 = 19 + 7
n2 = 19 + 7

Combine like terms: 19 + 7 = 26
n2 = 26

Simplifying
n2 = 26

Take the square root of each side:
n = {-5.099019514, 5.099019514}

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