Question

4(a+b)2-(a2+2ab-b2) factorise
​

Answer 1

Answer:

3(a+b)^2

Step-by-step explanation:

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

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

(4-1) (a+b)^2

3(a+b)^2