Question

Let a be the relation on z detained by
R = {(a,b); a, b belongs toz, a-b is an integere}
Fand the domain and range of R.​

Answer 1

Answer:

(x+3)2

=(x+3)(x+3)

=(x)(x)+(x)(3)+(3)(x)+(3)(3)

=x2+3x+3x+9

=x2+6x+9