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Simplifying (2 + -1w)(5w + 4) = 0 Reorder the terms: (2 + -1w)(4 + 5w) = 0 Multiply (2 + -1w) * (4 + 5w) (2(4 + 5w) + -1w * (4 + 5w)) = 0 ((4 * 2 + 5w * 2) + -1w * (4 + 5w)) = 0 ((8 + 10w) + -1w * (4 + 5w)) = 0 (8 + 10w + (4 * -1w + 5w * -1w)) = 0 (8 + 10w + (-4w + -5w2)) = 0 Combine like terms: 10w + -4w = 6w (8 + 6w + -5w2) = 0 Solving 8 + 6w + -5w2 = 0 Solving for variable 'w'. Factor a trinomial. (2 + -1w)(4 + 5w) = 0Subproblem 1
Set the factor '(2 + -1w)' equal to zero and attempt to solve: Simplifying 2 + -1w = 0 Solving 2 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1w = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1w = 0 + -2 -1w = 0 + -2 Combine like terms: 0 + -2 = -2 -1w = -2 Divide each side by '-1'. w = 2 Simplifying w = 2Subproblem 2
Set the factor '(4 + 5w)' equal to zero and attempt to solve: Simplifying 4 + 5w = 0 Solving 4 + 5w = 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 + 5w = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 5w = 0 + -4 5w = 0 + -4 Combine like terms: 0 + -4 = -4 5w = -4 Divide each side by '5'. w = -0.8 Simplifying w = -0.8Solution
w = {2, -0.8}
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