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Simplifying (x2) + -18x = -119 x2 + -18x = -119 Reorder the terms: -18x + x2 = -119 Solving -18x + x2 = -119 Solving for variable 'x'. Reorder the terms: 119 + -18x + x2 = -119 + 119 Combine like terms: -119 + 119 = 0 119 + -18x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-119' to each side of the equation. 119 + -18x + -119 + x2 = 0 + -119 Reorder the terms: 119 + -119 + -18x + x2 = 0 + -119 Combine like terms: 119 + -119 = 0 0 + -18x + x2 = 0 + -119 -18x + x2 = 0 + -119 Combine like terms: 0 + -119 = -119 -18x + x2 = -119 The x term is -18x. Take half its coefficient (-9). Square it (81) and add it to both sides. Add '81' to each side of the equation. -18x + 81 + x2 = -119 + 81 Reorder the terms: 81 + -18x + x2 = -119 + 81 Combine like terms: -119 + 81 = -38 81 + -18x + x2 = -38 Factor a perfect square on the left side: (x + -9)(x + -9) = -38 Can't calculate square root of the right side. The solution to this equation could not be determined.
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