x^2-6=18

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Solution for x^2-6=18 equation:


Simplifying
x2 + -6 = 18

Reorder the terms:
-6 + x2 = 18

Solving
-6 + x2 = 18

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + x2 = 18 + 6

Combine like terms: -6 + 6 = 0
0 + x2 = 18 + 6
x2 = 18 + 6

Combine like terms: 18 + 6 = 24
x2 = 24

Simplifying
x2 = 24

Take the square root of each side:
x = {-4.898979486, 4.898979486}

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