simplify a&b make them as small as possible & show work!!!!

Answer:
5 sqrt(7)
6 sqrt(2)
Step-by-step explanation:
sqrt(175)
sqrt(25*7)
We know that sqrt(a*b) = sqrt(a) sqrt(b)
sqrt(25) sqrt(7)
5 sqrt(7)
sqrt(72)
sqrt(36*2)
sqrt(36) sqrt(2)
6 sqrt(2)