Question

Can u plz help me in 31,32,33,34,35.plzzz!

Answer 1

please refer to the attachment

Answer 2

31.

64-16y+y

y-16y+64

y-8y-8y+64

y (y-8)-8 (y-8)

(y-8)(y-8)=0

y=8 y=8