Question

5. Simply (x + y) (2x + y) + (x + 2y)(x - y)​

Answer 1

Answer:

Step-by-step explanation:

(x + y) (2x + y) + (x + 2y)(x - y)​

(2x²+2xy+y²+xy)+(x²-xy+2xy-2y²)

(2x²+3xy+y²+x²+xy-2y²)

(3x²+4xy-y²)