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Simplifying 3r2 + 16 + 120 = 0 Reorder the terms: 16 + 120 + 3r2 = 0 Combine like terms: 16 + 120 = 136 136 + 3r2 = 0 Solving 136 + 3r2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-136' to each side of the equation. 136 + -136 + 3r2 = 0 + -136 Combine like terms: 136 + -136 = 0 0 + 3r2 = 0 + -136 3r2 = 0 + -136 Combine like terms: 0 + -136 = -136 3r2 = -136 Divide each side by '3'. r2 = -45.33333333 Simplifying r2 = -45.33333333 Reorder the terms: 45.33333333 + r2 = -45.33333333 + 45.33333333 Combine like terms: -45.33333333 + 45.33333333 = 0.00000000 45.33333333 + r2 = 0.00000000 The solution to this equation could not be determined.
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