Question

determine o valor da expressao (x-y)2+(x+y).(x-y)​

Answer 1

Resposta:

(x-y)2+(x+y).(x-y)​=

fatorize

(x-y). (2+x+y)

(x-y)2+(x+y).(x-y)​=

simplifique

2x-2y+x*2-y*2