Answer:
24a^3+8a^2+6a+4
Step-by-step explanation:
(4a+2)(6a^2-a+2)
Distribute parentheses
6a^2+4a(-a)+4a :2+2 :6a^2+2(-a)+2 :2
Apply minus-plus rules
=4 6a^2a-4aa+4 :2a+2 6a^2-2+2 .2
