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Simplifying 30 + -4r4 + 2r + -3r2 = 0 Reorder the terms: 30 + 2r + -3r2 + -4r4 = 0 Solving 30 + 2r + -3r2 + -4r4 = 0 Solving for variable 'r'. The solution to this equation could not be determined.
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