Question

simplify:(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+3xy+y²+x²+xy-2y²

=3x²+4xy-y²

hope it's help you.....

Answer 2

Step-by-step explanation:(x+y)(2x+y)+(x+2y)(x-y) = (2x²+xy+2xy+y²) +(x²-xy+2yx-2y²) = 3x²- y² +4xy

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