12r^2-13-35=0

Solution for 12r^2-13-35=0 equation:

Simplifying
12r2 + -13 + -35 = 0

Reorder the terms:
-13 + -35 + 12r2 = 0

Combine like terms: -13 + -35 = -48
-48 + 12r2 = 0

Solving
-48 + 12r2 = 0

Solving for variable 'r'.

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

Add '48' to each side of the equation.
-48 + 48 + 12r2 = 0 + 48

Combine like terms: -48 + 48 = 0
0 + 12r2 = 0 + 48
12r2 = 0 + 48

Combine like terms: 0 + 48 = 48
12r2 = 48

Divide each side by '12'.
r2 = 4

Simplifying
r2 = 4

Take the square root of each side:
r = {-2, 2}