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Simplifying 3r2 = 4r + -1 Reorder the terms: 3r2 = -1 + 4r Solving 3r2 = -1 + 4r Solving for variable 'r'. Reorder the terms: 1 + -4r + 3r2 = -1 + 4r + 1 + -4r Reorder the terms: 1 + -4r + 3r2 = -1 + 1 + 4r + -4r Combine like terms: -1 + 1 = 0 1 + -4r + 3r2 = 0 + 4r + -4r 1 + -4r + 3r2 = 4r + -4r Combine like terms: 4r + -4r = 0 1 + -4r + 3r2 = 0 Factor a trinomial. (1 + -3r)(1 + -1r) = 0Subproblem 1
Set the factor '(1 + -3r)' equal to zero and attempt to solve: Simplifying 1 + -3r = 0 Solving 1 + -3r = 0 Move all terms containing r to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -3r = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3r = 0 + -1 -3r = 0 + -1 Combine like terms: 0 + -1 = -1 -3r = -1 Divide each side by '-3'. r = 0.3333333333 Simplifying r = 0.3333333333Subproblem 2
Set the factor '(1 + -1r)' equal to zero and attempt to solve: Simplifying 1 + -1r = 0 Solving 1 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1r = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1r = 0 + -1 -1r = 0 + -1 Combine like terms: 0 + -1 = -1 -1r = -1 Divide each side by '-1'. r = 1 Simplifying r = 1Solution
r = {0.3333333333, 1}
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