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Simplifying (x + -1)(x + 8)(x + -9) = 0 Reorder the terms: (-1 + x)(x + 8)(x + -9) = 0 Reorder the terms: (-1 + x)(8 + x)(x + -9) = 0 Reorder the terms: (-1 + x)(8 + x)(-9 + x) = 0 Multiply (-1 + x) * (8 + x) (-1(8 + x) + x(8 + x))(-9 + x) = 0 ((8 * -1 + x * -1) + x(8 + x))(-9 + x) = 0 ((-8 + -1x) + x(8 + x))(-9 + x) = 0 (-8 + -1x + (8 * x + x * x))(-9 + x) = 0 (-8 + -1x + (8x + x2))(-9 + x) = 0 Combine like terms: -1x + 8x = 7x (-8 + 7x + x2)(-9 + x) = 0 Multiply (-8 + 7x + x2) * (-9 + x) (-8(-9 + x) + 7x * (-9 + x) + x2(-9 + x)) = 0 ((-9 * -8 + x * -8) + 7x * (-9 + x) + x2(-9 + x)) = 0 ((72 + -8x) + 7x * (-9 + x) + x2(-9 + x)) = 0 (72 + -8x + (-9 * 7x + x * 7x) + x2(-9 + x)) = 0 (72 + -8x + (-63x + 7x2) + x2(-9 + x)) = 0 (72 + -8x + -63x + 7x2 + (-9 * x2 + x * x2)) = 0 (72 + -8x + -63x + 7x2 + (-9x2 + x3)) = 0 Combine like terms: -8x + -63x = -71x (72 + -71x + 7x2 + -9x2 + x3) = 0 Combine like terms: 7x2 + -9x2 = -2x2 (72 + -71x + -2x2 + x3) = 0 Solving 72 + -71x + -2x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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