Question

Разложите на множители.

1) x^2-y^2-x-y

2) 36-x^2*y^2

 

 

 

 

 

 

 

 

Answer 1

1) x^2-y^2-x-y = (x-y)(x+y) -(x+y)= (x+y)(x-y-1)
2) 36-x^2*y^2 = (6 - xy)(6+xy)

Answer 2

Спасибо