7-4n^2=-505

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Solution for 7-4n^2=-505 equation: 


Simplifying
7 + -4n2 = -505

Solving
7 + -4n2 = -505

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 + -4n2 = -505 + -7

Combine like terms: 7 + -7 = 0
0 + -4n2 = -505 + -7
-4n2 = -505 + -7

Combine like terms: -505 + -7 = -512
-4n2 = -512

Divide each side by '-4'.
n2 = 128

Simplifying
n2 = 128

Take the square root of each side:
n = {-11.313708499, 11.313708499}

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