s^2-19=0

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Solution for s^2-19=0 equation: 


Simplifying
s2 + -19 = 0

Reorder the terms:
-19 + s2 = 0

Solving
-19 + s2 = 0

Solving for variable 's'.

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

Add '19' to each side of the equation.
-19 + 19 + s2 = 0 + 19

Combine like terms: -19 + 19 = 0
0 + s2 = 0 + 19
s2 = 0 + 19

Combine like terms: 0 + 19 = 19
s2 = 19

Simplifying
s2 = 19

Take the square root of each side:
s = {-4.358898944, 4.358898944}

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