Question

(x + y)(2x + y) + (x + 2y)(x - y)​

Answer 1

Answer:

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Answer 2

$\huge\colorbox{pink}{Question࿐ }$

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

$\huge\colorbox{pink}{Solution:࿐ }$

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

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

$2x2 + xy + 2xy + y2 + x2 - xy + 2xy - 2y2$

$=3x2 + 4xy - y2$

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