Question

Fatore aa expressoes a seguir: 1) a(x-y)+(x-y)    2) a(x-y)+(y-x)

Answer 1

1) a(x-y) + (x-y)

 

(x - y) en evidencia

 

(x - y)(a + 1)

 

2) a(x-y)+(y-x))

 

     a(x - y) - (x - y)

 

(x - y)(a - 1)