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Simplifying (3 + 5s)(3 + 3s + -7s2) = 0 Multiply (3 + 5s) * (3 + 3s + -7s2) (3(3 + 3s + -7s2) + 5s * (3 + 3s + -7s2)) = 0 ((3 * 3 + 3s * 3 + -7s2 * 3) + 5s * (3 + 3s + -7s2)) = 0 ((9 + 9s + -21s2) + 5s * (3 + 3s + -7s2)) = 0 (9 + 9s + -21s2 + (3 * 5s + 3s * 5s + -7s2 * 5s)) = 0 (9 + 9s + -21s2 + (15s + 15s2 + -35s3)) = 0 Reorder the terms: (9 + 9s + 15s + -21s2 + 15s2 + -35s3) = 0 Combine like terms: 9s + 15s = 24s (9 + 24s + -21s2 + 15s2 + -35s3) = 0 Combine like terms: -21s2 + 15s2 = -6s2 (9 + 24s + -6s2 + -35s3) = 0 Solving 9 + 24s + -6s2 + -35s3 = 0 Solving for variable 's'. The solution to this equation could not be determined.
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