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Simplifying u2 + -3u + -2 = 0 Reorder the terms: -2 + -3u + u2 = 0 Solving -2 + -3u + u2 = 0 Solving for variable 'u'. Begin completing the square. Move the constant term to the right: Add '2' to each side of the equation. -2 + -3u + 2 + u2 = 0 + 2 Reorder the terms: -2 + 2 + -3u + u2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3u + u2 = 0 + 2 -3u + u2 = 0 + 2 Combine like terms: 0 + 2 = 2 -3u + u2 = 2 The u term is -3u. 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. -3u + 2.25 + u2 = 2 + 2.25 Reorder the terms: 2.25 + -3u + u2 = 2 + 2.25 Combine like terms: 2 + 2.25 = 4.25 2.25 + -3u + u2 = 4.25 Factor a perfect square on the left side: (u + -1.5)(u + -1.5) = 4.25 Calculate the square root of the right side: 2.061552813 Break this problem into two subproblems by setting (u + -1.5) equal to 2.061552813 and -2.061552813.Subproblem 1
u + -1.5 = 2.061552813 Simplifying u + -1.5 = 2.061552813 Reorder the terms: -1.5 + u = 2.061552813 Solving -1.5 + u = 2.061552813 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + u = 2.061552813 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + u = 2.061552813 + 1.5 u = 2.061552813 + 1.5 Combine like terms: 2.061552813 + 1.5 = 3.561552813 u = 3.561552813 Simplifying u = 3.561552813Subproblem 2
u + -1.5 = -2.061552813 Simplifying u + -1.5 = -2.061552813 Reorder the terms: -1.5 + u = -2.061552813 Solving -1.5 + u = -2.061552813 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + u = -2.061552813 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + u = -2.061552813 + 1.5 u = -2.061552813 + 1.5 Combine like terms: -2.061552813 + 1.5 = -0.561552813 u = -0.561552813 Simplifying u = -0.561552813Solution
The solution to the problem is based on the solutions from the subproblems. u = {3.561552813, -0.561552813}
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