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Simplifying 40r + -3r2 = 0 Solving 40r + -3r2 = 0 Solving for variable 'r'. Factor out the Greatest Common Factor (GCF), 'r'. r(40 + -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 '(40 + -3r)' equal to zero and attempt to solve: Simplifying 40 + -3r = 0 Solving 40 + -3r = 0 Move all terms containing r to the left, all other terms to the right. Add '-40' to each side of the equation. 40 + -40 + -3r = 0 + -40 Combine like terms: 40 + -40 = 0 0 + -3r = 0 + -40 -3r = 0 + -40 Combine like terms: 0 + -40 = -40 -3r = -40 Divide each side by '-3'. r = 13.33333333 Simplifying r = 13.33333333Solution
r = {0, 13.33333333}
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