x^2-15=9

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Solution for x^2-15=9 equation: 


Simplifying
x2 + -15 = 9

Reorder the terms:
-15 + x2 = 9

Solving
-15 + x2 = 9

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 = 9 + 15

Combine like terms: -15 + 15 = 0
0 + x2 = 9 + 15
x2 = 9 + 15

Combine like terms: 9 + 15 = 24
x2 = 24

Simplifying
x2 = 24

Take the square root of each side:
x = {-4.898979486, 4.898979486}

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