X^2-15=00

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Solution for X^2-15=00 equation: 


Simplifying
X2 + -15 = 0

Reorder the terms:
-15 + X2 = 0

Solving
-15 + X2 = 0

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 = 0 + 15

Combine like terms: -15 + 15 = 0
0 + X2 = 0 + 15
X2 = 0 + 15

Combine like terms: 0 + 15 = 15
X2 = 15

Simplifying
X2 = 15

Take the square root of each side:
X = {-3.872983346, 3.872983346}

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