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Simplifying (56r + -3r2) = 0 Remove parenthesis around (56r + -3r2) 56r + -3r2 = 0 Solving 56r + -3r2 = 0 Solving for variable 'r'. Factor out the Greatest Common Factor (GCF), 'r'. r(56 + -3r) = 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 '(56 + -3r)' equal to zero and attempt to solve: Simplifying 56 + -3r = 0 Solving 56 + -3r = 0 Move all terms containing r to the left, all other terms to the right. Add '-56' to each side of the equation. 56 + -56 + -3r = 0 + -56 Combine like terms: 56 + -56 = 0 0 + -3r = 0 + -56 -3r = 0 + -56 Combine like terms: 0 + -56 = -56 -3r = -56 Divide each side by '-3'. r = 18.66666667 Simplifying r = 18.66666667Solution
r = {0, 18.66666667}
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