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Simplifying 3r2 + -26r + 32 = -3 Reorder the terms: 32 + -26r + 3r2 = -3 Solving 32 + -26r + 3r2 = -3 Solving for variable 'r'. Reorder the terms: 32 + 3 + -26r + 3r2 = -3 + 3 Combine like terms: 32 + 3 = 35 35 + -26r + 3r2 = -3 + 3 Combine like terms: -3 + 3 = 0 35 + -26r + 3r2 = 0 Factor a trinomial. (5 + -3r)(7 + -1r) = 0Subproblem 1
Set the factor '(5 + -3r)' equal to zero and attempt to solve: Simplifying 5 + -3r = 0 Solving 5 + -3r = 0 Move all terms containing r to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -3r = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3r = 0 + -5 -3r = 0 + -5 Combine like terms: 0 + -5 = -5 -3r = -5 Divide each side by '-3'. r = 1.666666667 Simplifying r = 1.666666667Subproblem 2
Set the factor '(7 + -1r)' equal to zero and attempt to solve: Simplifying 7 + -1r = 0 Solving 7 + -1r = 0 Move all terms containing r to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1r = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1r = 0 + -7 -1r = 0 + -7 Combine like terms: 0 + -7 = -7 -1r = -7 Divide each side by '-1'. r = 7 Simplifying r = 7Solution
r = {1.666666667, 7}
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