Question

complete the identities​

Answer 1

Answer:

1 x2 + y2 - 2xy

2 x2+ y2 + 2xy

3 (x+y) ( x2-2xy-y2)[ I m not sure about this one ]

4 donno sorry

Step-by-step explanation:

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Answer 2

Answer:

x^2+y^2-2xy

x^3+y^3+3x^2y+3xy^2

(x+y) (x^2+y^2-xy)

3xyz