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Simplifying
-3s2 + 7 = -53
Reorder the terms:
7 + -3s2 = -53
Solving
7 + -3s2 = -53
Solving for variable 's'.
Move all terms containing s to the left, all other terms to the right.
Add '-7' to each side of the equation.
7 + -7 + -3s2 = -53 + -7
Combine like terms: 7 + -7 = 0
0 + -3s2 = -53 + -7
-3s2 = -53 + -7
Combine like terms: -53 + -7 = -60
-3s2 = -60
Divide each side by '-3'.
s2 = 20
Simplifying
s2 = 20
Take the square root of each side:
s = {-4.472135955, 4.472135955}
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