X^2+8=13

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Solution for X^2+8=13 equation: 


Simplifying
X2 + 8 = 13

Reorder the terms:
8 + X2 = 13

Solving
8 + X2 = 13

Solving for variable 'X'.

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

Add '-8' to each side of the equation.
8 + -8 + X2 = 13 + -8

Combine like terms: 8 + -8 = 0
0 + X2 = 13 + -8
X2 = 13 + -8

Combine like terms: 13 + -8 = 5
X2 = 5

Simplifying
X2 = 5

Take the square root of each side:
X = {-2.236067978, 2.236067978}

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