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Simplifying
4s2 + 9 = 125
Reorder the terms:
9 + 4s2 = 125
Solving
9 + 4s2 = 125
Solving for variable 's'.
Move all terms containing s to the left, all other terms to the right.
Add '-9' to each side of the equation.
9 + -9 + 4s2 = 125 + -9
Combine like terms: 9 + -9 = 0
0 + 4s2 = 125 + -9
4s2 = 125 + -9
Combine like terms: 125 + -9 = 116
4s2 = 116
Divide each side by '4'.
s2 = 29
Simplifying
s2 = 29
Take the square root of each side:
s = {-5.385164807, 5.385164807}
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