Помогите срочно 20б дам

a)(p+q)^2=p^2+2pq+q^2;
 b)(p-8)^2=p^2-16p+64;
v)(7y-1)^2=49y^2-14y+1;
g)(6p+5q)^2=36p^2+60pq+25q^2;
d)(p^3-2q^2)^2=p^6-4p^3q^2+4q^4;
№2
(7x-2y)^2=49x^2-28xy+4y^2;
№3
a)(70+1)^2=4900+140+1=5041