2a(2a2+2ab+1)
a) 4a3+4a2b+2a
b) 4a2+4ab+2a
c) 4a3_ 4ab -1
d)4a3+4ab+2a
2a(2a² +2ab + 1) Using an extended distributive property:
2a·2a² + 2a·2ab + 2a·1
4a³ + 4a²b + 2a
