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Simplifying (x + -1)(x + -8)(x + 7) = 0 Reorder the terms: (-1 + x)(x + -8)(x + 7) = 0 Reorder the terms: (-1 + x)(-8 + x)(x + 7) = 0 Reorder the terms: (-1 + x)(-8 + x)(7 + x) = 0 Multiply (-1 + x) * (-8 + x) (-1(-8 + x) + x(-8 + x))(7 + x) = 0 ((-8 * -1 + x * -1) + x(-8 + x))(7 + x) = 0 ((8 + -1x) + x(-8 + x))(7 + x) = 0 (8 + -1x + (-8 * x + x * x))(7 + x) = 0 (8 + -1x + (-8x + x2))(7 + x) = 0 Combine like terms: -1x + -8x = -9x (8 + -9x + x2)(7 + x) = 0 Multiply (8 + -9x + x2) * (7 + x) (8(7 + x) + -9x * (7 + x) + x2(7 + x)) = 0 ((7 * 8 + x * 8) + -9x * (7 + x) + x2(7 + x)) = 0 ((56 + 8x) + -9x * (7 + x) + x2(7 + x)) = 0 (56 + 8x + (7 * -9x + x * -9x) + x2(7 + x)) = 0 (56 + 8x + (-63x + -9x2) + x2(7 + x)) = 0 (56 + 8x + -63x + -9x2 + (7 * x2 + x * x2)) = 0 (56 + 8x + -63x + -9x2 + (7x2 + x3)) = 0 Combine like terms: 8x + -63x = -55x (56 + -55x + -9x2 + 7x2 + x3) = 0 Combine like terms: -9x2 + 7x2 = -2x2 (56 + -55x + -2x2 + x3) = 0 Solving 56 + -55x + -2x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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