s^2-2=-1

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Solution for s^2-2=-1 equation:


Simplifying
s2 + -2 = -1

Reorder the terms:
-2 + s2 = -1

Solving
-2 + s2 = -1

Solving for variable 's'.

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

Add '2' to each side of the equation.
-2 + 2 + s2 = -1 + 2

Combine like terms: -2 + 2 = 0
0 + s2 = -1 + 2
s2 = -1 + 2

Combine like terms: -1 + 2 = 1
s2 = 1

Simplifying
s2 = 1

Take the square root of each side:
s = {-1, 1}

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