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Simplifying (3x + 7)(3x2 + -7x + 4) = 0 Reorder the terms: (7 + 3x)(3x2 + -7x + 4) = 0 Reorder the terms: (7 + 3x)(4 + -7x + 3x2) = 0 Multiply (7 + 3x) * (4 + -7x + 3x2) (7(4 + -7x + 3x2) + 3x * (4 + -7x + 3x2)) = 0 ((4 * 7 + -7x * 7 + 3x2 * 7) + 3x * (4 + -7x + 3x2)) = 0 ((28 + -49x + 21x2) + 3x * (4 + -7x + 3x2)) = 0 (28 + -49x + 21x2 + (4 * 3x + -7x * 3x + 3x2 * 3x)) = 0 (28 + -49x + 21x2 + (12x + -21x2 + 9x3)) = 0 Reorder the terms: (28 + -49x + 12x + 21x2 + -21x2 + 9x3) = 0 Combine like terms: -49x + 12x = -37x (28 + -37x + 21x2 + -21x2 + 9x3) = 0 Combine like terms: 21x2 + -21x2 = 0 (28 + -37x + 0 + 9x3) = 0 (28 + -37x + 9x3) = 0 Solving 28 + -37x + 9x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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