15r^2-45r=0

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Solution for 15r^2-45r=0 equation:


Simplifying
15r2 + -45r = 0

Reorder the terms:
-45r + 15r2 = 0

Solving
-45r + 15r2 = 0

Solving for variable 'r'.

Factor out the Greatest Common Factor (GCF), '15r'.
15r(-3 + r) = 0

Ignore the factor 15.

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 '(-3 + r)' equal to zero and attempt to solve: Simplifying -3 + r = 0 Solving -3 + r = 0 Move all terms containing r to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + r = 0 + 3 Combine like terms: -3 + 3 = 0 0 + r = 0 + 3 r = 0 + 3 Combine like terms: 0 + 3 = 3 r = 3 Simplifying r = 3

Solution

r = {0, 3}

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