x^2-2=1

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Solution for x^2-2=1 equation: 


Simplifying
x2 + -2 = 1

Reorder the terms:
-2 + x2 = 1

Solving
-2 + x2 = 1

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 = 1 + 2

Combine like terms: -2 + 2 = 0
0 + x2 = 1 + 2
x2 = 1 + 2

Combine like terms: 1 + 2 = 3
x2 = 3

Simplifying
x2 = 3

Take the square root of each side:
x = {-1.732050808, 1.732050808}

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