5r^2=8r

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Solution for 5r^2=8r equation:


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) = 0

Subproblem 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 = 0

Subproblem 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 = 1.6

Solution

r = {0, 1.6}

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