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Simplifying
s2 + -15 = 0
Reorder the terms:
-15 + s2 = 0
Solving
-15 + s2 = 0
Solving for variable 's'.
Move all terms containing s to the left, all other terms to the right.
Add '15' to each side of the equation.
-15 + 15 + s2 = 0 + 15
Combine like terms: -15 + 15 = 0
0 + s2 = 0 + 15
s2 = 0 + 15
Combine like terms: 0 + 15 = 15
s2 = 15
Simplifying
s2 = 15
Take the square root of each side:
s = {-3.872983346, 3.872983346}
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