r^2t^2-36=0

Solution for r^2t^2-36=0 equation:

Simplifying
r2t2 + -36 = 0

Reorder the terms:
-36 + r2t2 = 0

Solving
-36 + r2t2 = 0

Solving for variable 'r'.

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

Add '36' to each side of the equation.
-36 + 36 + r2t2 = 0 + 36

Combine like terms: -36 + 36 = 0
0 + r2t2 = 0 + 36
r2t2 = 0 + 36

Combine like terms: 0 + 36 = 36
r2t2 = 36

Divide each side by 't2'.
r2 = 36t-2

Simplifying
r2 = 36t-2

Take the square root of each side:
r = {-6t-1, 6t-1}