9r^2-6=246

Solution for 9r^2-6=246 equation:

Simplifying
9r2 + -6 = 246

Reorder the terms:
-6 + 9r2 = 246

Solving
-6 + 9r2 = 246

Solving for variable 'r'.

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

Add '6' to each side of the equation.
-6 + 6 + 9r2 = 246 + 6

Combine like terms: -6 + 6 = 0
0 + 9r2 = 246 + 6
9r2 = 246 + 6

Combine like terms: 246 + 6 = 252
9r2 = 252

Divide each side by '9'.
r2 = 28

Simplifying
r2 = 28

Take the square root of each side:
r = {-5.291502622, 5.291502622}