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Simplifying u2 + -1u = -36 Reorder the terms: -1u + u2 = -36 Solving -1u + u2 = -36 Solving for variable 'u'. Reorder the terms: 36 + -1u + u2 = -36 + 36 Combine like terms: -36 + 36 = 0 36 + -1u + u2 = 0 Begin completing the square. Move the constant term to the right: Add '-36' to each side of the equation. 36 + -1u + -36 + u2 = 0 + -36 Reorder the terms: 36 + -36 + -1u + u2 = 0 + -36 Combine like terms: 36 + -36 = 0 0 + -1u + u2 = 0 + -36 -1u + u2 = 0 + -36 Combine like terms: 0 + -36 = -36 -1u + u2 = -36 The u term is -1u. Take half its coefficient (-0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -1u + 0.25 + u2 = -36 + 0.25 Reorder the terms: 0.25 + -1u + u2 = -36 + 0.25 Combine like terms: -36 + 0.25 = -35.75 0.25 + -1u + u2 = -35.75 Factor a perfect square on the left side: (u + -0.5)(u + -0.5) = -35.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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