Question

x (x + y) + y (x - y)​

Answer 1

$= {x}^{2} + xy + xy - {y}^{2} \\ \\ = {x }^{2} + 2xy - {y}^{2}$

Answer 2

Answer:

$x {}^{2}xy + yx - {y }^{2} \\ {x}^{2} - y {}^{2} + 2xy$

here's ur answer

Step-by-step explanation:

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