i'm trying to find the distance from (2,-7) to (5,1)

i used the distance formula and got down to d=√(9+64)

9+64=73, which obviously isn't a perfect square.

9 and 64, however, ARE perfect squares

sooo, is there a way i can use 3 and 8 to figure this out?

or is my answer just gonna be √73

????