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Simplifying x2(x + 1) + 19x(x + 1) + 90(x + 1) = 0 Reorder the terms: x2(1 + x) + 19x(x + 1) + 90(x + 1) = 0 (1 * x2 + x * x2) + 19x(x + 1) + 90(x + 1) = 0 (1x2 + x3) + 19x(x + 1) + 90(x + 1) = 0 Reorder the terms: 1x2 + x3 + 19x(1 + x) + 90(x + 1) = 0 1x2 + x3 + (1 * 19x + x * 19x) + 90(x + 1) = 0 1x2 + x3 + (19x + 19x2) + 90(x + 1) = 0 Reorder the terms: 1x2 + x3 + 19x + 19x2 + 90(1 + x) = 0 1x2 + x3 + 19x + 19x2 + (1 * 90 + x * 90) = 0 1x2 + x3 + 19x + 19x2 + (90 + 90x) = 0 Reorder the terms: 90 + 19x + 90x + 1x2 + 19x2 + x3 = 0 Combine like terms: 19x + 90x = 109x 90 + 109x + 1x2 + 19x2 + x3 = 0 Combine like terms: 1x2 + 19x2 = 20x2 90 + 109x + 20x2 + x3 = 0 Solving 90 + 109x + 20x2 + x3 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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