48=r^2

Solution for 48=r^2 equation:

Simplifying
48 = r2

Solving
48 = r2

Solving for variable 'r'.

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

Add '-1r2' to each side of the equation.
48 + -1r2 = r2 + -1r2

Combine like terms: r2 + -1r2 = 0
48 + -1r2 = 0

Add '-48' to each side of the equation.
48 + -48 + -1r2 = 0 + -48

Combine like terms: 48 + -48 = 0
0 + -1r2 = 0 + -48
-1r2 = 0 + -48

Combine like terms: 0 + -48 = -48
-1r2 = -48

Divide each side by '-1'.
r2 = 48

Simplifying
r2 = 48

Take the square root of each side:
r = {-6.92820323, 6.92820323}