Answer :
use distributive property
a(b+c)=ab+ac
y(9+2y)=9 times y+2y times 9=9y+2y^2
the answer is 9y+2y^2
a(b+c)=ab+ac
y(9+2y)=9 times y+2y times 9=9y+2y^2
the answer is 9y+2y^2