x*x+15=64

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Solution for x*x+15=64 equation: 


Simplifying
x * x + 15 = 64

Multiply x * x
x2 + 15 = 64

Reorder the terms:
15 + x2 = 64

Solving
15 + x2 = 64

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 = 64 + -15

Combine like terms: 15 + -15 = 0
0 + x2 = 64 + -15
x2 = 64 + -15

Combine like terms: 64 + -15 = 49
x2 = 49

Simplifying
x2 = 49

Take the square root of each side:
x = {-7, 7}

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