(x-y)(y-x) if x=-2 y=3

(-2-3)(3-2)

(-5)(1)=-5

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(x-y)-(x-y) if x=-2 y=3

(-2-3)-(-2-3)

-5+5=0

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(-x)+(-y) if x=-2 y=3

(-2)+(-3)=5

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-xa(x-a) if a =-2 x=4

-4(-2)(-2-4)

8*6=48

and thanks for the help I appreciate it

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