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Simplifying 49r3 + -4r = 0 Reorder the terms: -4r + 49r3 = 0 Solving -4r + 49r3 = 0 Solving for variable 'r'. Factor out the Greatest Common Factor (GCF), 'r'. r(-4 + 49r2) = 0 Factor a difference between two squares. r((2 + 7r)(-2 + 7r)) = 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 '(2 + 7r)' equal to zero and attempt to solve: Simplifying 2 + 7r = 0 Solving 2 + 7r = 0 Move all terms containing r to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 7r = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 7r = 0 + -2 7r = 0 + -2 Combine like terms: 0 + -2 = -2 7r = -2 Divide each side by '7'. r = -0.2857142857 Simplifying r = -0.2857142857Subproblem 3
Set the factor '(-2 + 7r)' equal to zero and attempt to solve: Simplifying -2 + 7r = 0 Solving -2 + 7r = 0 Move all terms containing r to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + 7r = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 7r = 0 + 2 7r = 0 + 2 Combine like terms: 0 + 2 = 2 7r = 2 Divide each side by '7'. r = 0.2857142857 Simplifying r = 0.2857142857Solution
r = {0, -0.2857142857, 0.2857142857}
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