Answer:
Step-by-step explanation:
(2a + b)³
(2a)³ + b³ + (3)(2a)²(b) + (3)(2a)(b)²
8a³ + b³ + 12a²b + 6ab²
It is step by step ,you can directly copy it but you don't need to copy the formula in your answer
(2a-b)
