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Simplifying 4w2 + -12w + -1 = 0 Reorder the terms: -1 + -12w + 4w2 = 0 Solving -1 + -12w + 4w2 = 0 Solving for variable 'w'. Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. -0.25 + -3w + w2 = 0 Move the constant term to the right: Add '0.25' to each side of the equation. -0.25 + -3w + 0.25 + w2 = 0 + 0.25 Reorder the terms: -0.25 + 0.25 + -3w + w2 = 0 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + -3w + w2 = 0 + 0.25 -3w + w2 = 0 + 0.25 Combine like terms: 0 + 0.25 = 0.25 -3w + w2 = 0.25 The w term is -3w. Take half its coefficient (-1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. -3w + 2.25 + w2 = 0.25 + 2.25 Reorder the terms: 2.25 + -3w + w2 = 0.25 + 2.25 Combine like terms: 0.25 + 2.25 = 2.5 2.25 + -3w + w2 = 2.5 Factor a perfect square on the left side: (w + -1.5)(w + -1.5) = 2.5 Calculate the square root of the right side: 1.58113883 Break this problem into two subproblems by setting (w + -1.5) equal to 1.58113883 and -1.58113883.Subproblem 1
w + -1.5 = 1.58113883 Simplifying w + -1.5 = 1.58113883 Reorder the terms: -1.5 + w = 1.58113883 Solving -1.5 + w = 1.58113883 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + w = 1.58113883 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + w = 1.58113883 + 1.5 w = 1.58113883 + 1.5 Combine like terms: 1.58113883 + 1.5 = 3.08113883 w = 3.08113883 Simplifying w = 3.08113883Subproblem 2
w + -1.5 = -1.58113883 Simplifying w + -1.5 = -1.58113883 Reorder the terms: -1.5 + w = -1.58113883 Solving -1.5 + w = -1.58113883 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + w = -1.58113883 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + w = -1.58113883 + 1.5 w = -1.58113883 + 1.5 Combine like terms: -1.58113883 + 1.5 = -0.08113883 w = -0.08113883 Simplifying w = -0.08113883Solution
The solution to the problem is based on the solutions from the subproblems. w = {3.08113883, -0.08113883}
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