Question

write the following cubes in expanded forms : (2a-6b) cube​

Answer 1

Answer:

Solution :-

➜ (2a - 6b)³

➞ (2a)³ - (6b)³ - 3(2a) (6b) (2a - 6b)

➞ 8a³ - 216b³- 36ab (2a - 6b)

➞ 8a³ - 216b³ - 72a²b + 216ab²

➞ 8 (a³ - 27b³ - 9a²b + 27ab²)

∴ The answer of this question is 8 (a³ - 27b³ - 9a²b + 27ab²)

Formula used :-

➜ (a - b)³

➞ a³ - b³ - 3ab (a - b)

Answer 2

Step-by-step explanation:

Hope my answer helps you !!!!