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Simplifying -7s(9s + 4) = 0 Reorder the terms: -7s(4 + 9s) = 0 (4 * -7s + 9s * -7s) = 0 (-28s + -63s2) = 0 Solving -28s + -63s2 = 0 Solving for variable 's'. Factor out the Greatest Common Factor (GCF), '-7s'. -7s(4 + 9s) = 0 Ignore the factor -7.Subproblem 1
Set the factor 's' equal to zero and attempt to solve: Simplifying s = 0 Solving s = 0 Move all terms containing s to the left, all other terms to the right. Simplifying s = 0Subproblem 2
Set the factor '(4 + 9s)' equal to zero and attempt to solve: Simplifying 4 + 9s = 0 Solving 4 + 9s = 0 Move all terms containing s to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 9s = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 9s = 0 + -4 9s = 0 + -4 Combine like terms: 0 + -4 = -4 9s = -4 Divide each side by '9'. s = -0.4444444444 Simplifying s = -0.4444444444Solution
s = {0, -0.4444444444}
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