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Simplifying x2 + -8x + 107 = 0 Reorder the terms: 107 + -8x + x2 = 0 Solving 107 + -8x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-107' to each side of the equation. 107 + -8x + -107 + x2 = 0 + -107 Reorder the terms: 107 + -107 + -8x + x2 = 0 + -107 Combine like terms: 107 + -107 = 0 0 + -8x + x2 = 0 + -107 -8x + x2 = 0 + -107 Combine like terms: 0 + -107 = -107 -8x + x2 = -107 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 = -107 + 16 Reorder the terms: 16 + -8x + x2 = -107 + 16 Combine like terms: -107 + 16 = -91 16 + -8x + x2 = -91 Factor a perfect square on the left side: (x + -4)(x + -4) = -91 Can't calculate square root of the right side. The solution to this equation could not be determined.
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