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Simplifying 5r2 = -8r Solving 5r2 = -8r Solving for variable 'r'. Reorder the terms: 8r + 5r2 = -8r + 8r Combine like terms: -8r + 8r = 0 8r + 5r2 = 0 Factor out the Greatest Common Factor (GCF), 'r'. r(8 + 5r) = 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 '(8 + 5r)' equal to zero and attempt to solve: Simplifying 8 + 5r = 0 Solving 8 + 5r = 0 Move all terms containing r to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 5r = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 5r = 0 + -8 5r = 0 + -8 Combine like terms: 0 + -8 = -8 5r = -8 Divide each side by '5'. r = -1.6 Simplifying r = -1.6Solution
r = {0, -1.6}
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