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Simplifying x2 + -8x + 147 = 0 Reorder the terms: 147 + -8x + x2 = 0 Solving 147 + -8x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-147' to each side of the equation. 147 + -8x + -147 + x2 = 0 + -147 Reorder the terms: 147 + -147 + -8x + x2 = 0 + -147 Combine like terms: 147 + -147 = 0 0 + -8x + x2 = 0 + -147 -8x + x2 = 0 + -147 Combine like terms: 0 + -147 = -147 -8x + x2 = -147 The x term is -8x. Take half its coefficient (-4). Square it (16) and add it to both sides. Add '16' to each side of the equation. -8x + 16 + x2 = -147 + 16 Reorder the terms: 16 + -8x + x2 = -147 + 16 Combine like terms: -147 + 16 = -131 16 + -8x + x2 = -131 Factor a perfect square on the left side: (x + -4)(x + -4) = -131 Can't calculate square root of the right side. The solution to this equation could not be determined.
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