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Simplifying 4w2 + 6w + 1 = 0 Reorder the terms: 1 + 6w + 4w2 = 0 Solving 1 + 6w + 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 + 1.5w + w2 = 0 Move the constant term to the right: Add '-0.25' to each side of the equation. 0.25 + 1.5w + -0.25 + w2 = 0 + -0.25 Reorder the terms: 0.25 + -0.25 + 1.5w + w2 = 0 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + 1.5w + w2 = 0 + -0.25 1.5w + w2 = 0 + -0.25 Combine like terms: 0 + -0.25 = -0.25 1.5w + w2 = -0.25 The w term is 1.5w. Take half its coefficient (0.75). Square it (0.5625) and add it to both sides. Add '0.5625' to each side of the equation. 1.5w + 0.5625 + w2 = -0.25 + 0.5625 Reorder the terms: 0.5625 + 1.5w + w2 = -0.25 + 0.5625 Combine like terms: -0.25 + 0.5625 = 0.3125 0.5625 + 1.5w + w2 = 0.3125 Factor a perfect square on the left side: (w + 0.75)(w + 0.75) = 0.3125 Calculate the square root of the right side: 0.559016994 Break this problem into two subproblems by setting (w + 0.75) equal to 0.559016994 and -0.559016994.Subproblem 1
w + 0.75 = 0.559016994 Simplifying w + 0.75 = 0.559016994 Reorder the terms: 0.75 + w = 0.559016994 Solving 0.75 + w = 0.559016994 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + w = 0.559016994 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + w = 0.559016994 + -0.75 w = 0.559016994 + -0.75 Combine like terms: 0.559016994 + -0.75 = -0.190983006 w = -0.190983006 Simplifying w = -0.190983006Subproblem 2
w + 0.75 = -0.559016994 Simplifying w + 0.75 = -0.559016994 Reorder the terms: 0.75 + w = -0.559016994 Solving 0.75 + w = -0.559016994 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + w = -0.559016994 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + w = -0.559016994 + -0.75 w = -0.559016994 + -0.75 Combine like terms: -0.559016994 + -0.75 = -1.309016994 w = -1.309016994 Simplifying w = -1.309016994Solution
The solution to the problem is based on the solutions from the subproblems. w = {-0.190983006, -1.309016994}
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