-4+s^2=

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Solution for -4+s^2= equation: 


Simplifying
-4 + s2 = 0

Solving
-4 + s2 = 0

Solving for variable 's'.

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

Add '4' to each side of the equation.
-4 + 4 + s2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + s2 = 0 + 4
s2 = 0 + 4

Combine like terms: 0 + 4 = 4
s2 = 4

Simplifying
s2 = 4

Take the square root of each side:
s = {-2, 2}

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