X^2+81=162

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Solution for X^2+81=162 equation: 


Simplifying
X2 + 81 = 162

Reorder the terms:
81 + X2 = 162

Solving
81 + X2 = 162

Solving for variable 'X'.

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

Add '-81' to each side of the equation.
81 + -81 + X2 = 162 + -81

Combine like terms: 81 + -81 = 0
0 + X2 = 162 + -81
X2 = 162 + -81

Combine like terms: 162 + -81 = 81
X2 = 81

Simplifying
X2 = 81

Take the square root of each side:
X = {-9, 9}

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