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Simplifying (x + 3)(x + -7)(3x + 5) = 0 Reorder the terms: (3 + x)(x + -7)(3x + 5) = 0 Reorder the terms: (3 + x)(-7 + x)(3x + 5) = 0 Reorder the terms: (3 + x)(-7 + x)(5 + 3x) = 0 Multiply (3 + x) * (-7 + x) (3(-7 + x) + x(-7 + x))(5 + 3x) = 0 ((-7 * 3 + x * 3) + x(-7 + x))(5 + 3x) = 0 ((-21 + 3x) + x(-7 + x))(5 + 3x) = 0 (-21 + 3x + (-7 * x + x * x))(5 + 3x) = 0 (-21 + 3x + (-7x + x2))(5 + 3x) = 0 Combine like terms: 3x + -7x = -4x (-21 + -4x + x2)(5 + 3x) = 0 Multiply (-21 + -4x + x2) * (5 + 3x) (-21(5 + 3x) + -4x * (5 + 3x) + x2(5 + 3x)) = 0 ((5 * -21 + 3x * -21) + -4x * (5 + 3x) + x2(5 + 3x)) = 0 ((-105 + -63x) + -4x * (5 + 3x) + x2(5 + 3x)) = 0 (-105 + -63x + (5 * -4x + 3x * -4x) + x2(5 + 3x)) = 0 (-105 + -63x + (-20x + -12x2) + x2(5 + 3x)) = 0 (-105 + -63x + -20x + -12x2 + (5 * x2 + 3x * x2)) = 0 (-105 + -63x + -20x + -12x2 + (5x2 + 3x3)) = 0 Combine like terms: -63x + -20x = -83x (-105 + -83x + -12x2 + 5x2 + 3x3) = 0 Combine like terms: -12x2 + 5x2 = -7x2 (-105 + -83x + -7x2 + 3x3) = 0 Solving -105 + -83x + -7x2 + 3x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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