x^2-18=2

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Solution for x^2-18=2 equation: 


Simplifying
x2 + -18 = 2

Reorder the terms:
-18 + x2 = 2

Solving
-18 + x2 = 2

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + x2 = 2 + 18

Combine like terms: -18 + 18 = 0
0 + x2 = 2 + 18
x2 = 2 + 18

Combine like terms: 2 + 18 = 20
x2 = 20

Simplifying
x2 = 20

Take the square root of each side:
x = {-4.472135955, 4.472135955}

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