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Simplifying (7x + 3)(2x + 1)(x + -9) = 0 Reorder the terms: (3 + 7x)(2x + 1)(x + -9) = 0 Reorder the terms: (3 + 7x)(1 + 2x)(x + -9) = 0 Reorder the terms: (3 + 7x)(1 + 2x)(-9 + x) = 0 Multiply (3 + 7x) * (1 + 2x) (3(1 + 2x) + 7x * (1 + 2x))(-9 + x) = 0 ((1 * 3 + 2x * 3) + 7x * (1 + 2x))(-9 + x) = 0 ((3 + 6x) + 7x * (1 + 2x))(-9 + x) = 0 (3 + 6x + (1 * 7x + 2x * 7x))(-9 + x) = 0 (3 + 6x + (7x + 14x2))(-9 + x) = 0 Combine like terms: 6x + 7x = 13x (3 + 13x + 14x2)(-9 + x) = 0 Multiply (3 + 13x + 14x2) * (-9 + x) (3(-9 + x) + 13x * (-9 + x) + 14x2 * (-9 + x)) = 0 ((-9 * 3 + x * 3) + 13x * (-9 + x) + 14x2 * (-9 + x)) = 0 ((-27 + 3x) + 13x * (-9 + x) + 14x2 * (-9 + x)) = 0 (-27 + 3x + (-9 * 13x + x * 13x) + 14x2 * (-9 + x)) = 0 (-27 + 3x + (-117x + 13x2) + 14x2 * (-9 + x)) = 0 (-27 + 3x + -117x + 13x2 + (-9 * 14x2 + x * 14x2)) = 0 (-27 + 3x + -117x + 13x2 + (-126x2 + 14x3)) = 0 Combine like terms: 3x + -117x = -114x (-27 + -114x + 13x2 + -126x2 + 14x3) = 0 Combine like terms: 13x2 + -126x2 = -113x2 (-27 + -114x + -113x2 + 14x3) = 0 Solving -27 + -114x + -113x2 + 14x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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