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Simplifying w(w + 3) = 14 Reorder the terms: w(3 + w) = 14 (3 * w + w * w) = 14 (3w + w2) = 14 Solving 3w + w2 = 14 Solving for variable 'w'. Reorder the terms: -14 + 3w + w2 = 14 + -14 Combine like terms: 14 + -14 = 0 -14 + 3w + w2 = 0 Begin completing the square. Move the constant term to the right: Add '14' to each side of the equation. -14 + 3w + 14 + w2 = 0 + 14 Reorder the terms: -14 + 14 + 3w + w2 = 0 + 14 Combine like terms: -14 + 14 = 0 0 + 3w + w2 = 0 + 14 3w + w2 = 0 + 14 Combine like terms: 0 + 14 = 14 3w + w2 = 14 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 = 14 + 2.25 Reorder the terms: 2.25 + 3w + w2 = 14 + 2.25 Combine like terms: 14 + 2.25 = 16.25 2.25 + 3w + w2 = 16.25 Factor a perfect square on the left side: (w + 1.5)(w + 1.5) = 16.25 Calculate the square root of the right side: 4.031128874 Break this problem into two subproblems by setting (w + 1.5) equal to 4.031128874 and -4.031128874.Subproblem 1
w + 1.5 = 4.031128874 Simplifying w + 1.5 = 4.031128874 Reorder the terms: 1.5 + w = 4.031128874 Solving 1.5 + w = 4.031128874 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 = 4.031128874 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + w = 4.031128874 + -1.5 w = 4.031128874 + -1.5 Combine like terms: 4.031128874 + -1.5 = 2.531128874 w = 2.531128874 Simplifying w = 2.531128874Subproblem 2
w + 1.5 = -4.031128874 Simplifying w + 1.5 = -4.031128874 Reorder the terms: 1.5 + w = -4.031128874 Solving 1.5 + w = -4.031128874 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 = -4.031128874 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + w = -4.031128874 + -1.5 w = -4.031128874 + -1.5 Combine like terms: -4.031128874 + -1.5 = -5.531128874 w = -5.531128874 Simplifying w = -5.531128874Solution
The solution to the problem is based on the solutions from the subproblems. w = {2.531128874, -5.531128874}
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