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Simplifying 25s2 + 90sf + 81f2 = 0 Reorder the terms: 90fs + 81f2 + 25s2 = 0 Solving 90fs + 81f2 + 25s2 = 0 Solving for variable 'f'. Factor a trinomial. (9f + 5s)(9f + 5s) = 0Subproblem 1
Set the factor '(9f + 5s)' equal to zero and attempt to solve: Simplifying 9f + 5s = 0 Solving 9f + 5s = 0 Move all terms containing f to the left, all other terms to the right. Add '-5s' to each side of the equation. 9f + 5s + -5s = 0 + -5s Combine like terms: 5s + -5s = 0 9f + 0 = 0 + -5s 9f = 0 + -5s Remove the zero: 9f = -5s Divide each side by '9'. f = -0.5555555556s Simplifying f = -0.5555555556sSubproblem 2
Set the factor '(9f + 5s)' equal to zero and attempt to solve: Simplifying 9f + 5s = 0 Solving 9f + 5s = 0 Move all terms containing f to the left, all other terms to the right. Add '-5s' to each side of the equation. 9f + 5s + -5s = 0 + -5s Combine like terms: 5s + -5s = 0 9f + 0 = 0 + -5s 9f = 0 + -5s Remove the zero: 9f = -5s Divide each side by '9'. f = -0.5555555556s Simplifying f = -0.5555555556sSolution
f = {-0.5555555556s, -0.5555555556s}
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