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Simplifying (7 + -1w)(4w + 2) = 0 Reorder the terms: (7 + -1w)(2 + 4w) = 0 Multiply (7 + -1w) * (2 + 4w) (7(2 + 4w) + -1w * (2 + 4w)) = 0 ((2 * 7 + 4w * 7) + -1w * (2 + 4w)) = 0 ((14 + 28w) + -1w * (2 + 4w)) = 0 (14 + 28w + (2 * -1w + 4w * -1w)) = 0 (14 + 28w + (-2w + -4w2)) = 0 Combine like terms: 28w + -2w = 26w (14 + 26w + -4w2) = 0 Solving 14 + 26w + -4w2 = 0 Solving for variable 'w'. Factor out the Greatest Common Factor (GCF), '2'. 2(7 + 13w + -2w2) = 0 Factor a trinomial. 2((7 + -1w)(1 + 2w)) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(7 + -1w)' equal to zero and attempt to solve: Simplifying 7 + -1w = 0 Solving 7 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1w = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1w = 0 + -7 -1w = 0 + -7 Combine like terms: 0 + -7 = -7 -1w = -7 Divide each side by '-1'. w = 7 Simplifying w = 7Subproblem 2
Set the factor '(1 + 2w)' equal to zero and attempt to solve: Simplifying 1 + 2w = 0 Solving 1 + 2w = 0 Move all terms containing w to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 2w = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2w = 0 + -1 2w = 0 + -1 Combine like terms: 0 + -1 = -1 2w = -1 Divide each side by '2'. w = -0.5 Simplifying w = -0.5Solution
w = {7, -0.5}
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