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Simplifying (2w + 5)(4 + w) = 0 Reorder the terms: (5 + 2w)(4 + w) = 0 Multiply (5 + 2w) * (4 + w) (5(4 + w) + 2w * (4 + w)) = 0 ((4 * 5 + w * 5) + 2w * (4 + w)) = 0 ((20 + 5w) + 2w * (4 + w)) = 0 (20 + 5w + (4 * 2w + w * 2w)) = 0 (20 + 5w + (8w + 2w2)) = 0 Combine like terms: 5w + 8w = 13w (20 + 13w + 2w2) = 0 Solving 20 + 13w + 2w2 = 0 Solving for variable 'w'. Factor a trinomial. (4 + w)(5 + 2w) = 0Subproblem 1
Set the factor '(4 + w)' equal to zero and attempt to solve: Simplifying 4 + w = 0 Solving 4 + w = 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 + w = 0 + -4 Combine like terms: 4 + -4 = 0 0 + w = 0 + -4 w = 0 + -4 Combine like terms: 0 + -4 = -4 w = -4 Simplifying w = -4Subproblem 2
Set the factor '(5 + 2w)' equal to zero and attempt to solve: Simplifying 5 + 2w = 0 Solving 5 + 2w = 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 + 2w = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2w = 0 + -5 2w = 0 + -5 Combine like terms: 0 + -5 = -5 2w = -5 Divide each side by '2'. w = -2.5 Simplifying w = -2.5Solution
w = {-4, -2.5}
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