Question

If x= y = –3, then the value of (x – y)(2x2+3xy+9y2)

Answer 1

Step-by-step explanation:

(x-7)(2x2+3xy+9y2)=(-3-7)(2x(-3)2+(3x-3x-3)+9x(-3)2)=-1260

Answer 2

Answer:

The answer will be 0

Step-by-step explanation:

Since x-y=0

and x=y=-3

x-y

(-3)-(-3)

-3+3

0

and whenever we multiply by 0 we get 0 only