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Simplifying 7w2 + -39w + 20 = 0 Reorder the terms: 20 + -39w + 7w2 = 0 Solving 20 + -39w + 7w2 = 0 Solving for variable 'w'. Factor a trinomial. (4 + -7w)(5 + -1w) = 0Subproblem 1
Set the factor '(4 + -7w)' equal to zero and attempt to solve: Simplifying 4 + -7w = 0 Solving 4 + -7w = 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 + -7w = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7w = 0 + -4 -7w = 0 + -4 Combine like terms: 0 + -4 = -4 -7w = -4 Divide each side by '-7'. w = 0.5714285714 Simplifying w = 0.5714285714Subproblem 2
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 = 5Solution
w = {0.5714285714, 5}
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