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Simplifying 3.14r2 * 2r + -10 = 0 Reorder the terms for easier multiplication: 3.14 * 2r2 * r + -10 = 0 Multiply 3.14 * 2 6.28r2 * r + -10 = 0 Multiply r2 * r 6.28r3 + -10 = 0 Reorder the terms: -10 + 6.28r3 = 0 Solving -10 + 6.28r3 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + 6.28r3 = 0 + 10 Combine like terms: -10 + 10 = 0 0 + 6.28r3 = 0 + 10 6.28r3 = 0 + 10 Combine like terms: 0 + 10 = 10 6.28r3 = 10 Divide each side by '6.28'. r3 = 1.592356688 Simplifying r3 = 1.592356688 Reorder the terms: -1.592356688 + r3 = 1.592356688 + -1.592356688 Combine like terms: 1.592356688 + -1.592356688 = 0.000000000 -1.592356688 + r3 = 0.000000000 The solution to this equation could not be determined.
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