г)5(2p-3)²+2(5-2p)²
5(4p²-12p+9)+2(25-20p+4p²)
20p²-60p+45+50-40p+8p²
28p²-100p+95
д)4(3-5a)²-5(a-3)(2a-3)
4(9-30a+25a²)-5(2a²-3a-6a+9)
36-120a+100a²-10a²+15a+30a-45
-9-75a+90a²
90a²-75a-9
30a²-25a-3
е)(a+1)²+2(a+1)-3(a-1)(a+1)
a²+2a+1+2a+2-3(a²-1)
a²+2a+1+2a+2-3a²+3
-2a²+4a+6
-a²+2a+3