Question

solutions of x-y =3 is​

Answer 1

Answer:

x=3+y

y=x-3

Step-by-step explanation:

Answer 2

Step-by-step explanation:

(x-y) (x-y)=x^2-xy-xy+y^2

x^2-2xy+y^2

(x^2-2xy+y^2) (x-y)

x^3-x^2y-2x^2y+2xy^2+xy^2-y^3

x^3-3x^2y+3xy^2-y^3