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Simplifying (x + -7)(x + -5)(x + -9) = 0 Reorder the terms: (-7 + x)(x + -5)(x + -9) = 0 Reorder the terms: (-7 + x)(-5 + x)(x + -9) = 0 Reorder the terms: (-7 + x)(-5 + x)(-9 + x) = 0 Multiply (-7 + x) * (-5 + x) (-7(-5 + x) + x(-5 + x))(-9 + x) = 0 ((-5 * -7 + x * -7) + x(-5 + x))(-9 + x) = 0 ((35 + -7x) + x(-5 + x))(-9 + x) = 0 (35 + -7x + (-5 * x + x * x))(-9 + x) = 0 (35 + -7x + (-5x + x2))(-9 + x) = 0 Combine like terms: -7x + -5x = -12x (35 + -12x + x2)(-9 + x) = 0 Multiply (35 + -12x + x2) * (-9 + x) (35(-9 + x) + -12x * (-9 + x) + x2(-9 + x)) = 0 ((-9 * 35 + x * 35) + -12x * (-9 + x) + x2(-9 + x)) = 0 ((-315 + 35x) + -12x * (-9 + x) + x2(-9 + x)) = 0 (-315 + 35x + (-9 * -12x + x * -12x) + x2(-9 + x)) = 0 (-315 + 35x + (108x + -12x2) + x2(-9 + x)) = 0 (-315 + 35x + 108x + -12x2 + (-9 * x2 + x * x2)) = 0 (-315 + 35x + 108x + -12x2 + (-9x2 + x3)) = 0 Combine like terms: 35x + 108x = 143x (-315 + 143x + -12x2 + -9x2 + x3) = 0 Combine like terms: -12x2 + -9x2 = -21x2 (-315 + 143x + -21x2 + x3) = 0 Solving -315 + 143x + -21x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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