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Simplifying (9r + 1)(7r2 + 2r + 2) = 0 Reorder the terms: (1 + 9r)(7r2 + 2r + 2) = 0 Reorder the terms: (1 + 9r)(2 + 2r + 7r2) = 0 Multiply (1 + 9r) * (2 + 2r + 7r2) (1(2 + 2r + 7r2) + 9r * (2 + 2r + 7r2)) = 0 ((2 * 1 + 2r * 1 + 7r2 * 1) + 9r * (2 + 2r + 7r2)) = 0 ((2 + 2r + 7r2) + 9r * (2 + 2r + 7r2)) = 0 (2 + 2r + 7r2 + (2 * 9r + 2r * 9r + 7r2 * 9r)) = 0 (2 + 2r + 7r2 + (18r + 18r2 + 63r3)) = 0 Reorder the terms: (2 + 2r + 18r + 7r2 + 18r2 + 63r3) = 0 Combine like terms: 2r + 18r = 20r (2 + 20r + 7r2 + 18r2 + 63r3) = 0 Combine like terms: 7r2 + 18r2 = 25r2 (2 + 20r + 25r2 + 63r3) = 0 Solving 2 + 20r + 25r2 + 63r3 = 0 Solving for variable 'r'. The solution to this equation could not be determined.
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