Question

3. If x= -7, y= 3, find x+y, xy and x?+y?+2xy.​

Answer 1

Step-by-step explanation:

-+3=-4,

x*y=xy

-7*3=-21

Answer 2

Answer:

BELOW IS THE ANSWER

Step-by-step explanation:

x+y= -7+3= -4

xy= -7×3= -21

x+y+2xy= -7+3+2*-7*3

-7+3+2*-21

-7+3-42

-46

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