X^2+13=15

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Solution for X^2+13=15 equation: 


Simplifying
X2 + 13 = 15

Reorder the terms:
13 + X2 = 15

Solving
13 + X2 = 15

Solving for variable 'X'.

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

Add '-13' to each side of the equation.
13 + -13 + X2 = 15 + -13

Combine like terms: 13 + -13 = 0
0 + X2 = 15 + -13
X2 = 15 + -13

Combine like terms: 15 + -13 = 2
X2 = 2

Simplifying
X2 = 2

Take the square root of each side:
X = {-1.414213562, 1.414213562}

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