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Simplifying 2r2 + 128 = 0 Reorder the terms: 128 + 2r2 = 0 Solving 128 + 2r2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-128' to each side of the equation. 128 + -128 + 2r2 = 0 + -128 Combine like terms: 128 + -128 = 0 0 + 2r2 = 0 + -128 2r2 = 0 + -128 Combine like terms: 0 + -128 = -128 2r2 = -128 Divide each side by '2'. r2 = -64 Simplifying r2 = -64 Reorder the terms: 64 + r2 = -64 + 64 Combine like terms: -64 + 64 = 0 64 + r2 = 0 The solution to this equation could not be determined.
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