r^2-p^2=0

Solution for r^2-p^2=0 equation:

Simplifying
r2 + -1p2 = 0

Reorder the terms:
-1p2 + r2 = 0

Solving
-1p2 + r2 = 0

Solving for variable 'p'.

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

Add '-1r2' to each side of the equation.
-1p2 + r2 + -1r2 = 0 + -1r2

Combine like terms: r2 + -1r2 = 0
-1p2 + 0 = 0 + -1r2
-1p2 = 0 + -1r2
Remove the zero:
-1p2 = -1r2

Divide each side by '-1'.
p2 = r2

Simplifying
p2 = r2

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