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Simplifying -18x + x2 = -147 Solving -18x + x2 = -147 Solving for variable 'x'. Reorder the terms: 147 + -18x + x2 = -147 + 147 Combine like terms: -147 + 147 = 0 147 + -18x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-147' to each side of the equation. 147 + -18x + -147 + x2 = 0 + -147 Reorder the terms: 147 + -147 + -18x + x2 = 0 + -147 Combine like terms: 147 + -147 = 0 0 + -18x + x2 = 0 + -147 -18x + x2 = 0 + -147 Combine like terms: 0 + -147 = -147 -18x + x2 = -147 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 = -147 + 81 Reorder the terms: 81 + -18x + x2 = -147 + 81 Combine like terms: -147 + 81 = -66 81 + -18x + x2 = -66 Factor a perfect square on the left side: (x + -9)(x + -9) = -66 Can't calculate square root of the right side. The solution to this equation could not be determined.
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