Question

alguem pf me ajuda com esse dever (x-y):x-y2 obs ps numeros 2 sao ao quadrado

Answer 1

(x-y):(x-y)2           

(x-y): (x-y)(x-Y)= 1/(x-y)                                                                                                                                                                                                                        

Answer 2

Eu axo q eh 4xy ...
Veja...


(x+y)² - (x-y)²

(x+y)(x+y) - (x-y)(x-y)

x² + 2xy + y² - ( x² - 2xy + y ² ) 

x² + 2xy + y² - x² + 2xy - y² 

4xy