15r^2-37r+18=0

Solution for 15r^2-37r+18=0 equation:

Simplifying
15r2 + -37r + 18 = 0

Reorder the terms:
18 + -37r + 15r2 = 0

Solving
18 + -37r + 15r2 = 0

Solving for variable 'r'.

Factor a trinomial.
(2 + -3r)(9 + -5r) = 0

Subproblem 1
Set the factor '(2 + -3r)' equal to zero and attempt to solve:

Simplifying
2 + -3r = 0

Solving
2 + -3r = 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 + -3r = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -3r = 0 + -2
-3r = 0 + -2

Combine like terms: 0 + -2 = -2
-3r = -2

Divide each side by '-3'.
r = 0.6666666667

Simplifying
r = 0.6666666667
Subproblem 2
Set the factor '(9 + -5r)' equal to zero and attempt to solve:

Simplifying
9 + -5r = 0

Solving
9 + -5r = 0

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

Add '-9' to each side of the equation.
9 + -9 + -5r = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -5r = 0 + -9
-5r = 0 + -9

Combine like terms: 0 + -9 = -9
-5r = -9

Divide each side by '-5'.
r = 1.8

Simplifying
r = 1.8
Solution
r = {0.6666666667, 1.8}