SOLUTION: Factor (x-y)^2 - (x-z)^2 Thank You

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Question 4529: Factor
(x-y)^2 - (x-z)^2
Thank You
Answer by Pumuky(2) About Me  (Show Source):
You can put this solution on YOUR website!
Debes desarrollar las potencias:
(x^2+y^2-2xy)-(x^2+z^2-2xz)
x^2+y^2-2xy-x^2-z^2+2xz
y^2-2xy-z^2+2xz
Factor Común 2x
y^2-z^2+2x(z-y)
Puedes expresarlo de forma aparentemente más compleja. Como (y+z)(y-z)=y^2-z^2 Then
[(y+z)(y-z)]-2x(y-z) ==> (y-z) [(y+z)-2x]