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Simplifying r2 + 71r2 + 70 = 0 Reorder the terms: 70 + r2 + 71r2 = 0 Combine like terms: r2 + 71r2 = 72r2 70 + 72r2 = 0 Solving 70 + 72r2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-70' to each side of the equation. 70 + -70 + 72r2 = 0 + -70 Combine like terms: 70 + -70 = 0 0 + 72r2 = 0 + -70 72r2 = 0 + -70 Combine like terms: 0 + -70 = -70 72r2 = -70 Divide each side by '72'. r2 = -0.9722222222 Simplifying r2 = -0.9722222222 Reorder the terms: 0.9722222222 + r2 = -0.9722222222 + 0.9722222222 Combine like terms: -0.9722222222 + 0.9722222222 = 0.0000000000 0.9722222222 + r2 = 0.0000000000 The solution to this equation could not be determined.
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