x^2-80=-1

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Solution for x^2-80=-1 equation: 


Simplifying
x2 + -80 = -1

Reorder the terms:
-80 + x2 = -1

Solving
-80 + x2 = -1

Solving for variable 'x'.

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

Add '80' to each side of the equation.
-80 + 80 + x2 = -1 + 80

Combine like terms: -80 + 80 = 0
0 + x2 = -1 + 80
x2 = -1 + 80

Combine like terms: -1 + 80 = 79
x2 = 79

Simplifying
x2 = 79

Take the square root of each side:
x = {-8.888194417, 8.888194417}

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