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Simplifying 4r2 + 25 = 0 Reorder the terms: 25 + 4r2 = 0 Solving 25 + 4r2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-25' to each side of the equation. 25 + -25 + 4r2 = 0 + -25 Combine like terms: 25 + -25 = 0 0 + 4r2 = 0 + -25 4r2 = 0 + -25 Combine like terms: 0 + -25 = -25 4r2 = -25 Divide each side by '4'. r2 = -6.25 Simplifying r2 = -6.25 Reorder the terms: 6.25 + r2 = -6.25 + 6.25 Combine like terms: -6.25 + 6.25 = 0.00 6.25 + r2 = 0.00 The solution to this equation could not be determined.
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