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Simplifying 15r + -2r2 = 0 Solving 15r + -2r2 = 0 Solving for variable 'r'. Factor out the Greatest Common Factor (GCF), 'r'. r(15 + -2r) = 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 '(15 + -2r)' equal to zero and attempt to solve: Simplifying 15 + -2r = 0 Solving 15 + -2r = 0 Move all terms containing r to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -2r = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -2r = 0 + -15 -2r = 0 + -15 Combine like terms: 0 + -15 = -15 -2r = -15 Divide each side by '-2'. r = 7.5 Simplifying r = 7.5Solution
r = {0, 7.5}
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