r^2*144=4r^2

Solution for r^2*144=4r^2 equation:

Simplifying
r2 * 144 = 4r2

Reorder the terms for easier multiplication:
144r2 = 4r2

Solving
144r2 = 4r2

Solving for variable 'r'.

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

Add '-4r2' to each side of the equation.
144r2 + -4r2 = 4r2 + -4r2

Combine like terms: 144r2 + -4r2 = 140r2
140r2 = 4r2 + -4r2

Combine like terms: 4r2 + -4r2 = 0
140r2 = 0

Divide each side by '140'.
r2 = 0.0

Simplifying
r2 = 0.0

Take the square root of each side:
r = {0.0}