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Simplifying (2r + 1)(2r2 + 1) = 0 Reorder the terms: (1 + 2r)(2r2 + 1) = 0 Reorder the terms: (1 + 2r)(1 + 2r2) = 0 Multiply (1 + 2r) * (1 + 2r2) (1(1 + 2r2) + 2r * (1 + 2r2)) = 0 ((1 * 1 + 2r2 * 1) + 2r * (1 + 2r2)) = 0 ((1 + 2r2) + 2r * (1 + 2r2)) = 0 (1 + 2r2 + (1 * 2r + 2r2 * 2r)) = 0 (1 + 2r2 + (2r + 4r3)) = 0 Reorder the terms: (1 + 2r + 2r2 + 4r3) = 0 (1 + 2r + 2r2 + 4r3) = 0 Solving 1 + 2r + 2r2 + 4r3 = 0 Solving for variable 'r'. The solution to this equation could not be determined.
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