Question

(2x + y)(2 + 2x + 2y) − 4y(x + y)

Answer 1

Answer:

4x²+2xy-2y²+4x+2y

Step-by-step explanation:

(2x+y)(2+2x+2y) - 4y(x+y)

=2x(2+2x+2y)+y(2+2x+2y)-4y(x+y)

=4x+4x²+4xy+2y+2xy+2y²-4xy-4y²

=4x+4x²+2y+2xy-2y²

=4x²+2xy-2y²+4x+2y