Question

Factorise:
1). (a+b)³-a-b
2). 108a²-3(b-c)²

please answer correctly and explain it,​

Answer 1

Step-by-step explanation:

(a+b)^3=a^3+b^3+3ab(a+b)_a_b

Answer 2

the answer of your question is in the above picture.