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Simplifying (x2 + 9x + 7)(3x2 + 9x + 5) = 0 Reorder the terms: (7 + 9x + x2)(3x2 + 9x + 5) = 0 Reorder the terms: (7 + 9x + x2)(5 + 9x + 3x2) = 0 Multiply (7 + 9x + x2) * (5 + 9x + 3x2) (7(5 + 9x + 3x2) + 9x * (5 + 9x + 3x2) + x2(5 + 9x + 3x2)) = 0 ((5 * 7 + 9x * 7 + 3x2 * 7) + 9x * (5 + 9x + 3x2) + x2(5 + 9x + 3x2)) = 0 ((35 + 63x + 21x2) + 9x * (5 + 9x + 3x2) + x2(5 + 9x + 3x2)) = 0 (35 + 63x + 21x2 + (5 * 9x + 9x * 9x + 3x2 * 9x) + x2(5 + 9x + 3x2)) = 0 (35 + 63x + 21x2 + (45x + 81x2 + 27x3) + x2(5 + 9x + 3x2)) = 0 (35 + 63x + 21x2 + 45x + 81x2 + 27x3 + (5 * x2 + 9x * x2 + 3x2 * x2)) = 0 (35 + 63x + 21x2 + 45x + 81x2 + 27x3 + (5x2 + 9x3 + 3x4)) = 0 Reorder the terms: (35 + 63x + 45x + 21x2 + 81x2 + 5x2 + 27x3 + 9x3 + 3x4) = 0 Combine like terms: 63x + 45x = 108x (35 + 108x + 21x2 + 81x2 + 5x2 + 27x3 + 9x3 + 3x4) = 0 Combine like terms: 21x2 + 81x2 = 102x2 (35 + 108x + 102x2 + 5x2 + 27x3 + 9x3 + 3x4) = 0 Combine like terms: 102x2 + 5x2 = 107x2 (35 + 108x + 107x2 + 27x3 + 9x3 + 3x4) = 0 Combine like terms: 27x3 + 9x3 = 36x3 (35 + 108x + 107x2 + 36x3 + 3x4) = 0 Solving 35 + 108x + 107x2 + 36x3 + 3x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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