Question

Q6. Simplify
(a - b)3 (a3 - 63) ​

Answer 1

Answer:

dont know\

Step-by-step explanation:

Answer 2

Answer:

Right Answer is 3a^2 + 189b

Step-by-step explanation:

3a - 3b × 3a -63

3a^2 - 9ab -9ab + 189b

3a^2 + 189b