X^2+2=81

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Solution for X^2+2=81 equation: 


Simplifying
X2 + 2 = 81

Reorder the terms:
2 + X2 = 81

Solving
2 + X2 = 81

Solving for variable 'X'.

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

Add '-2' to each side of the equation.
2 + -2 + X2 = 81 + -2

Combine like terms: 2 + -2 = 0
0 + X2 = 81 + -2
X2 = 81 + -2

Combine like terms: 81 + -2 = 79
X2 = 79

Simplifying
X2 = 79

Take the square root of each side:
X = {-8.888194417, 8.888194417}

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