Question

(x + y)(2x + y) + (x + 2y)(x - y)​

Answer 1

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

» 2x² +xy +2xy +y² +x² -xy +2xy -2y²

» 2x² +x² +y² -2y² +xy +2xy -xy +2xy

» 3x² -y² +4xy

here is ur answer mate

# ₴ʉ₥ł₮86486

Answer 2

$(x + y)(2x + y) + (x + 2y)(x - y) \\ = (2 {x}^{2} + xy + 2xy + {y}^{2} ) + ({x}^{2} - xy + 2xy - 2 {y}^{2} ) \\ = ( 2 {x}^{2} + 3xy + {y}^{2} ) + ( {x}^{2} + xy - 2 {y}^{2} ) \\ = 3 {x}^{2} + 4xy - {y}^{2}$

Hope this will help.....