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Simplifying 2w2 + 9w + -4 + -1w2 + -8w + -16 = 0 Reorder the terms: -4 + -16 + 9w + -8w + 2w2 + -1w2 = 0 Combine like terms: -4 + -16 = -20 -20 + 9w + -8w + 2w2 + -1w2 = 0 Combine like terms: 9w + -8w = 1w -20 + 1w + 2w2 + -1w2 = 0 Combine like terms: 2w2 + -1w2 = 1w2 -20 + 1w + 1w2 = 0 Solving -20 + 1w + 1w2 = 0 Solving for variable 'w'. Factor a trinomial. (-5 + -1w)(4 + -1w) = 0Subproblem 1
Set the factor '(-5 + -1w)' equal to zero and attempt to solve: Simplifying -5 + -1w = 0 Solving -5 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1w = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1w = 0 + 5 -1w = 0 + 5 Combine like terms: 0 + 5 = 5 -1w = 5 Divide each side by '-1'. w = -5 Simplifying w = -5Subproblem 2
Set the factor '(4 + -1w)' equal to zero and attempt to solve: Simplifying 4 + -1w = 0 Solving 4 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1w = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1w = 0 + -4 -1w = 0 + -4 Combine like terms: 0 + -4 = -4 -1w = -4 Divide each side by '-1'. w = 4 Simplifying w = 4Solution
w = {-5, 4}
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