r^2+36r=

Solution for r^2+36r= equation:

Simplifying
r2 + 36r = 0

Reorder the terms:
36r + r2 = 0

Solving
36r + r2 = 0

Solving for variable 'r'.

Factor out the Greatest Common Factor (GCF), 'r'.
r(36 + r) = 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 '(36 + r)' equal to zero and attempt to solve:

Simplifying
36 + r = 0

Solving
36 + r = 0

Move all terms containing r to the left, all other terms to the right.

Add '-36' to each side of the equation.
36 + -36 + r = 0 + -36

Combine like terms: 36 + -36 = 0
0 + r = 0 + -36
r = 0 + -36

Combine like terms: 0 + -36 = -36
r = -36

Simplifying
r = -36
Solution
r = {0, -36}