Question

Please help!!

Answer 1

$30)~\dfrac{2a^2-13a+18}{a-2}=\dfrac{(a-2)(2a-9)}{(a-2)}=2a-9\\\\ 31)~(4y-5)^2-3y(4y-5)-y+27=\\\\=16y^2-40y+15-12y^2+15y-y+27=\\\\=4y^2-26y+42=2(2y^2-13y+21)=\\\\=2(2y-7)(y-3)$

Answer 2

Bonus answer is 4y cube 2 - 56y+52