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Simplifying 4r4 + -64r3 = 0 Reorder the terms: -64r3 + 4r4 = 0 Solving -64r3 + 4r4 = 0 Solving for variable 'r'. Factor out the Greatest Common Factor (GCF), '4r3'. 4r3(-16 + r) = 0 Ignore the factor 4.Subproblem 1
Set the factor 'r3' equal to zero and attempt to solve: Simplifying r3 = 0 Solving r3 = 0 Move all terms containing r to the left, all other terms to the right. Simplifying r3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Subproblem 2
Set the factor '(-16 + r)' equal to zero and attempt to solve: Simplifying -16 + r = 0 Solving -16 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '16' to each side of the equation. -16 + 16 + r = 0 + 16 Combine like terms: -16 + 16 = 0 0 + r = 0 + 16 r = 0 + 16 Combine like terms: 0 + 16 = 16 r = 16 Simplifying r = 16Solution
r = {16}
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