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Simplifying
20s2 + -17 = 63
Reorder the terms:
-17 + 20s2 = 63
Solving
-17 + 20s2 = 63
Solving for variable 's'.
Move all terms containing s to the left, all other terms to the right.
Add '17' to each side of the equation.
-17 + 17 + 20s2 = 63 + 17
Combine like terms: -17 + 17 = 0
0 + 20s2 = 63 + 17
20s2 = 63 + 17
Combine like terms: 63 + 17 = 80
20s2 = 80
Divide each side by '20'.
s2 = 4
Simplifying
s2 = 4
Take the square root of each side:
s = {-2, 2}
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