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Simplifying x2(x + 9) + 7(x + 9) = 0 Reorder the terms: x2(9 + x) + 7(x + 9) = 0 (9 * x2 + x * x2) + 7(x + 9) = 0 (9x2 + x3) + 7(x + 9) = 0 Reorder the terms: 9x2 + x3 + 7(9 + x) = 0 9x2 + x3 + (9 * 7 + x * 7) = 0 9x2 + x3 + (63 + 7x) = 0 Reorder the terms: 63 + 7x + 9x2 + x3 = 0 Solving 63 + 7x + 9x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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