Question

a(2a-b)-b^2

factorise ​

Answer 1

Step-by-step explanation:

a(2a-b)-b^2

= 2a^2 - ab - b^2

= 2a^2 - 2ab + ab - b^2

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

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