Question

factorisation of (X+y)(2x+3y)-(X+y)(X+1​

Answer 1

Answer:

x^2 + 4xy + 3y^2 - x - y

Step-by-step explanation:

(X+y)(2x+3y)-(X+y)(X+1)

= (2x^2 +5xy +3y^2 )- ( x^2+x+xy+y)

= x^2 + 4xy +3y^2 - x - y