Question

4(a+b)²-a²+2ab-b² factorise................................​

Answer 1

Answer:

4(a+b)^2-a^2+2ab-b^2

4(a+b)^2-(a^2-2ab+b^2)

4(a+b)^2-(a-b)^2

[2(a+b)]^2-(a-b)^2

[2(a+b)+(a-b)][2(a+b)-(a-b)]

(2a+2b+a-b)(2a+2b-a+b)

(3a+b)(a+3b)

Step-by-step explanation:

hope it helps you

Answer 2

Step-by-step explanation:

here you go..

hope you understand, have mentioned all the identities used too