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Simplifying (x + 7)(3x + 2)(x + -7) = 0 Reorder the terms: (7 + x)(3x + 2)(x + -7) = 0 Reorder the terms: (7 + x)(2 + 3x)(x + -7) = 0 Reorder the terms: (7 + x)(2 + 3x)(-7 + x) = 0 Multiply (7 + x) * (2 + 3x) (7(2 + 3x) + x(2 + 3x))(-7 + x) = 0 ((2 * 7 + 3x * 7) + x(2 + 3x))(-7 + x) = 0 ((14 + 21x) + x(2 + 3x))(-7 + x) = 0 (14 + 21x + (2 * x + 3x * x))(-7 + x) = 0 (14 + 21x + (2x + 3x2))(-7 + x) = 0 Combine like terms: 21x + 2x = 23x (14 + 23x + 3x2)(-7 + x) = 0 Multiply (14 + 23x + 3x2) * (-7 + x) (14(-7 + x) + 23x * (-7 + x) + 3x2 * (-7 + x)) = 0 ((-7 * 14 + x * 14) + 23x * (-7 + x) + 3x2 * (-7 + x)) = 0 ((-98 + 14x) + 23x * (-7 + x) + 3x2 * (-7 + x)) = 0 (-98 + 14x + (-7 * 23x + x * 23x) + 3x2 * (-7 + x)) = 0 (-98 + 14x + (-161x + 23x2) + 3x2 * (-7 + x)) = 0 (-98 + 14x + -161x + 23x2 + (-7 * 3x2 + x * 3x2)) = 0 (-98 + 14x + -161x + 23x2 + (-21x2 + 3x3)) = 0 Combine like terms: 14x + -161x = -147x (-98 + -147x + 23x2 + -21x2 + 3x3) = 0 Combine like terms: 23x2 + -21x2 = 2x2 (-98 + -147x + 2x2 + 3x3) = 0 Solving -98 + -147x + 2x2 + 3x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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