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Simplifying 3w2 + -18w + 1 = 0 Reorder the terms: 1 + -18w + 3w2 = 0 Solving 1 + -18w + 3w2 = 0 Solving for variable 'w'. Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 0.3333333333 + -6w + w2 = 0 Move the constant term to the right: Add '-0.3333333333' to each side of the equation. 0.3333333333 + -6w + -0.3333333333 + w2 = 0 + -0.3333333333 Reorder the terms: 0.3333333333 + -0.3333333333 + -6w + w2 = 0 + -0.3333333333 Combine like terms: 0.3333333333 + -0.3333333333 = 0.0000000000 0.0000000000 + -6w + w2 = 0 + -0.3333333333 -6w + w2 = 0 + -0.3333333333 Combine like terms: 0 + -0.3333333333 = -0.3333333333 -6w + w2 = -0.3333333333 The w term is -6w. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6w + 9 + w2 = -0.3333333333 + 9 Reorder the terms: 9 + -6w + w2 = -0.3333333333 + 9 Combine like terms: -0.3333333333 + 9 = 8.6666666667 9 + -6w + w2 = 8.6666666667 Factor a perfect square on the left side: (w + -3)(w + -3) = 8.6666666667 Calculate the square root of the right side: 2.943920289 Break this problem into two subproblems by setting (w + -3) equal to 2.943920289 and -2.943920289.Subproblem 1
w + -3 = 2.943920289 Simplifying w + -3 = 2.943920289 Reorder the terms: -3 + w = 2.943920289 Solving -3 + w = 2.943920289 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + w = 2.943920289 + 3 Combine like terms: -3 + 3 = 0 0 + w = 2.943920289 + 3 w = 2.943920289 + 3 Combine like terms: 2.943920289 + 3 = 5.943920289 w = 5.943920289 Simplifying w = 5.943920289Subproblem 2
w + -3 = -2.943920289 Simplifying w + -3 = -2.943920289 Reorder the terms: -3 + w = -2.943920289 Solving -3 + w = -2.943920289 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + w = -2.943920289 + 3 Combine like terms: -3 + 3 = 0 0 + w = -2.943920289 + 3 w = -2.943920289 + 3 Combine like terms: -2.943920289 + 3 = 0.056079711 w = 0.056079711 Simplifying w = 0.056079711Solution
The solution to the problem is based on the solutions from the subproblems. w = {5.943920289, 0.056079711}
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