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Simplifying 64s2 + 144s + 81 = 0 Reorder the terms: 81 + 144s + 64s2 = 0 Solving 81 + 144s + 64s2 = 0 Solving for variable 's'. Factor a trinomial. (9 + 8s)(9 + 8s) = 0Subproblem 1
Set the factor '(9 + 8s)' equal to zero and attempt to solve: Simplifying 9 + 8s = 0 Solving 9 + 8s = 0 Move all terms containing s to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 8s = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 8s = 0 + -9 8s = 0 + -9 Combine like terms: 0 + -9 = -9 8s = -9 Divide each side by '8'. s = -1.125 Simplifying s = -1.125Subproblem 2
Set the factor '(9 + 8s)' equal to zero and attempt to solve: Simplifying 9 + 8s = 0 Solving 9 + 8s = 0 Move all terms containing s to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 8s = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 8s = 0 + -9 8s = 0 + -9 Combine like terms: 0 + -9 = -9 8s = -9 Divide each side by '8'. s = -1.125 Simplifying s = -1.125Solution
s = {-1.125, -1.125}
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