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Simplifying 4r2 + -121r = 0 Reorder the terms: -121r + 4r2 = 0 Solving -121r + 4r2 = 0 Solving for variable 'r'. Factor out the Greatest Common Factor (GCF), 'r'. r(-121 + 4r) = 0Subproblem 1
Set the factor 'r' equal to zero and attempt to solve: Simplifying r = 0 Solving r = 0 Move all terms containing r to the left, all other terms to the right. Simplifying r = 0Subproblem 2
Set the factor '(-121 + 4r)' equal to zero and attempt to solve: Simplifying -121 + 4r = 0 Solving -121 + 4r = 0 Move all terms containing r to the left, all other terms to the right. Add '121' to each side of the equation. -121 + 121 + 4r = 0 + 121 Combine like terms: -121 + 121 = 0 0 + 4r = 0 + 121 4r = 0 + 121 Combine like terms: 0 + 121 = 121 4r = 121 Divide each side by '4'. r = 30.25 Simplifying r = 30.25Solution
r = {0, 30.25}
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