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Simplifying (2x + 3)(x + -5)(x + -7) = 0 Reorder the terms: (3 + 2x)(x + -5)(x + -7) = 0 Reorder the terms: (3 + 2x)(-5 + x)(x + -7) = 0 Reorder the terms: (3 + 2x)(-5 + x)(-7 + x) = 0 Multiply (3 + 2x) * (-5 + x) (3(-5 + x) + 2x * (-5 + x))(-7 + x) = 0 ((-5 * 3 + x * 3) + 2x * (-5 + x))(-7 + x) = 0 ((-15 + 3x) + 2x * (-5 + x))(-7 + x) = 0 (-15 + 3x + (-5 * 2x + x * 2x))(-7 + x) = 0 (-15 + 3x + (-10x + 2x2))(-7 + x) = 0 Combine like terms: 3x + -10x = -7x (-15 + -7x + 2x2)(-7 + x) = 0 Multiply (-15 + -7x + 2x2) * (-7 + x) (-15(-7 + x) + -7x * (-7 + x) + 2x2 * (-7 + x)) = 0 ((-7 * -15 + x * -15) + -7x * (-7 + x) + 2x2 * (-7 + x)) = 0 ((105 + -15x) + -7x * (-7 + x) + 2x2 * (-7 + x)) = 0 (105 + -15x + (-7 * -7x + x * -7x) + 2x2 * (-7 + x)) = 0 (105 + -15x + (49x + -7x2) + 2x2 * (-7 + x)) = 0 (105 + -15x + 49x + -7x2 + (-7 * 2x2 + x * 2x2)) = 0 (105 + -15x + 49x + -7x2 + (-14x2 + 2x3)) = 0 Combine like terms: -15x + 49x = 34x (105 + 34x + -7x2 + -14x2 + 2x3) = 0 Combine like terms: -7x2 + -14x2 = -21x2 (105 + 34x + -21x2 + 2x3) = 0 Solving 105 + 34x + -21x2 + 2x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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