x^2-15=5

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Solution for x^2-15=5 equation: 


Simplifying
x2 + -15 = 5

Reorder the terms:
-15 + x2 = 5

Solving
-15 + x2 = 5

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 = 5 + 15

Combine like terms: -15 + 15 = 0
0 + x2 = 5 + 15
x2 = 5 + 15

Combine like terms: 5 + 15 = 20
x2 = 20

Simplifying
x2 = 20

Take the square root of each side:
x = {-4.472135955, 4.472135955}

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