(y-8)²-4y·(y-2)= (3y-2)²-(y-9)·(9-y)=

Question

(y-8)²-4y·(y-2)=
(3y-2)²-(y-9)·(9-y)=

Answer 1

1) y²-16y+64-4y²+8y= -3y²-8y+64
2) 9y²-12y+4+(y-9)²=9y²-12y+4+y²-18y+81= 10y²-30y+85