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Simplifying (7x + 9)(9x2 + 4x + 5) = 0 Reorder the terms: (9 + 7x)(9x2 + 4x + 5) = 0 Reorder the terms: (9 + 7x)(5 + 4x + 9x2) = 0 Multiply (9 + 7x) * (5 + 4x + 9x2) (9(5 + 4x + 9x2) + 7x * (5 + 4x + 9x2)) = 0 ((5 * 9 + 4x * 9 + 9x2 * 9) + 7x * (5 + 4x + 9x2)) = 0 ((45 + 36x + 81x2) + 7x * (5 + 4x + 9x2)) = 0 (45 + 36x + 81x2 + (5 * 7x + 4x * 7x + 9x2 * 7x)) = 0 (45 + 36x + 81x2 + (35x + 28x2 + 63x3)) = 0 Reorder the terms: (45 + 36x + 35x + 81x2 + 28x2 + 63x3) = 0 Combine like terms: 36x + 35x = 71x (45 + 71x + 81x2 + 28x2 + 63x3) = 0 Combine like terms: 81x2 + 28x2 = 109x2 (45 + 71x + 109x2 + 63x3) = 0 Solving 45 + 71x + 109x2 + 63x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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