x^2-15=-1

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Solution for x^2-15=-1 equation: 


Simplifying
x2 + -15 = -1

Reorder the terms:
-15 + x2 = -1

Solving
-15 + x2 = -1

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + x2 = -1 + 15

Combine like terms: -15 + 15 = 0
0 + x2 = -1 + 15
x2 = -1 + 15

Combine like terms: -1 + 15 = 14
x2 = 14

Simplifying
x2 = 14

Take the square root of each side:
x = {-3.741657387, 3.741657387}

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