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Simplifying
2s2 + -8 = 12
Reorder the terms:
-8 + 2s2 = 12
Solving
-8 + 2s2 = 12
Solving for variable 's'.
Move all terms containing s to the left, all other terms to the right.
Add '8' to each side of the equation.
-8 + 8 + 2s2 = 12 + 8
Combine like terms: -8 + 8 = 0
0 + 2s2 = 12 + 8
2s2 = 12 + 8
Combine like terms: 12 + 8 = 20
2s2 = 20
Divide each side by '2'.
s2 = 10
Simplifying
s2 = 10
Take the square root of each side:
s = {-3.16227766, 3.16227766}
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