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Simplifying (x + -7)(x + 1)(x + -9) = 0 Reorder the terms: (-7 + x)(x + 1)(x + -9) = 0 Reorder the terms: (-7 + x)(1 + x)(x + -9) = 0 Reorder the terms: (-7 + x)(1 + x)(-9 + x) = 0 Multiply (-7 + x) * (1 + x) (-7(1 + x) + x(1 + x))(-9 + x) = 0 ((1 * -7 + x * -7) + x(1 + x))(-9 + x) = 0 ((-7 + -7x) + x(1 + x))(-9 + x) = 0 (-7 + -7x + (1 * x + x * x))(-9 + x) = 0 (-7 + -7x + (1x + x2))(-9 + x) = 0 Combine like terms: -7x + 1x = -6x (-7 + -6x + x2)(-9 + x) = 0 Multiply (-7 + -6x + x2) * (-9 + x) (-7(-9 + x) + -6x * (-9 + x) + x2(-9 + x)) = 0 ((-9 * -7 + x * -7) + -6x * (-9 + x) + x2(-9 + x)) = 0 ((63 + -7x) + -6x * (-9 + x) + x2(-9 + x)) = 0 (63 + -7x + (-9 * -6x + x * -6x) + x2(-9 + x)) = 0 (63 + -7x + (54x + -6x2) + x2(-9 + x)) = 0 (63 + -7x + 54x + -6x2 + (-9 * x2 + x * x2)) = 0 (63 + -7x + 54x + -6x2 + (-9x2 + x3)) = 0 Combine like terms: -7x + 54x = 47x (63 + 47x + -6x2 + -9x2 + x3) = 0 Combine like terms: -6x2 + -9x2 = -15x2 (63 + 47x + -15x2 + x3) = 0 Solving 63 + 47x + -15x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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