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Simplifying (x + -3)(x + -5)(x + 7) = 0 Reorder the terms: (-3 + x)(x + -5)(x + 7) = 0 Reorder the terms: (-3 + x)(-5 + x)(x + 7) = 0 Reorder the terms: (-3 + x)(-5 + x)(7 + x) = 0 Multiply (-3 + x) * (-5 + x) (-3(-5 + x) + x(-5 + x))(7 + x) = 0 ((-5 * -3 + x * -3) + x(-5 + x))(7 + x) = 0 ((15 + -3x) + x(-5 + x))(7 + x) = 0 (15 + -3x + (-5 * x + x * x))(7 + x) = 0 (15 + -3x + (-5x + x2))(7 + x) = 0 Combine like terms: -3x + -5x = -8x (15 + -8x + x2)(7 + x) = 0 Multiply (15 + -8x + x2) * (7 + x) (15(7 + x) + -8x * (7 + x) + x2(7 + x)) = 0 ((7 * 15 + x * 15) + -8x * (7 + x) + x2(7 + x)) = 0 ((105 + 15x) + -8x * (7 + x) + x2(7 + x)) = 0 (105 + 15x + (7 * -8x + x * -8x) + x2(7 + x)) = 0 (105 + 15x + (-56x + -8x2) + x2(7 + x)) = 0 (105 + 15x + -56x + -8x2 + (7 * x2 + x * x2)) = 0 (105 + 15x + -56x + -8x2 + (7x2 + x3)) = 0 Combine like terms: 15x + -56x = -41x (105 + -41x + -8x2 + 7x2 + x3) = 0 Combine like terms: -8x2 + 7x2 = -1x2 (105 + -41x + -1x2 + x3) = 0 Solving 105 + -41x + -1x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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