Question

помогите даю 40 баллов

Answer 1

1.(y-4)(3y-4)=3y^2-4y-12y+16=3y^2-16y+16
2.(6a-5)(6a-1)=36a^2-6a-30a+5=36a^2-36a+5
3.(2b+3)(3b-2)=6b^2-4b+9b-6=6b^2+5b-6