Question

factorise (2a+b)^2-y^2​

Answer 1

Answer:

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

Step-by-step explanation:

(2a+b)²-y²

$x { }^{2} - y {}^{2} = (x - y)( x + y)$

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