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Simplifying 4r2 + 64 = 0 Reorder the terms: 64 + 4r2 = 0 Solving 64 + 4r2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-64' to each side of the equation. 64 + -64 + 4r2 = 0 + -64 Combine like terms: 64 + -64 = 0 0 + 4r2 = 0 + -64 4r2 = 0 + -64 Combine like terms: 0 + -64 = -64 4r2 = -64 Divide each side by '4'. r2 = -16 Simplifying r2 = -16 Reorder the terms: 16 + r2 = -16 + 16 Combine like terms: -16 + 16 = 0 16 + r2 = 0 The solution to this equation could not be determined.
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