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Simplifying (r3 + 3r2 + 12r + 10) = 0 Reorder the terms: (10 + 12r + 3r2 + r3) = 0 Remove parenthesis around (10 + 12r + 3r2 + r3) 10 + 12r + 3r2 + r3 = 0 Solving 10 + 12r + 3r2 + r3 = 0 Solving for variable 'r'. The solution to this equation could not be determined.
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