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Simplifying -7w2 + -21w = 0 Reorder the terms: -21w + -7w2 = 0 Solving -21w + -7w2 = 0 Solving for variable 'w'. Factor out the Greatest Common Factor (GCF), '-7w'. -7w(3 + w) = 0 Ignore the factor -7.Subproblem 1
Set the factor 'w' equal to zero and attempt to solve: Simplifying w = 0 Solving w = 0 Move all terms containing w to the left, all other terms to the right. Simplifying w = 0Subproblem 2
Set the factor '(3 + w)' equal to zero and attempt to solve: Simplifying 3 + w = 0 Solving 3 + w = 0 Move all terms containing w to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + w = 0 + -3 Combine like terms: 3 + -3 = 0 0 + w = 0 + -3 w = 0 + -3 Combine like terms: 0 + -3 = -3 w = -3 Simplifying w = -3Solution
w = {0, -3}
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