Question

3 x minus y whole square minus 27 x minus 2 y whole square​

Answer 1

Answer:

-720x²+102xy-3y²

Step-by-step explanation:

(3x-y)²-(27x-2y)²

(3x)²-2(3x)(y)+(-y)²-(27x)²-2(2y)(27x)+(-2y)²=(9x²-6xy+y²)-(729x²-108xy+4y²)=9x²-6xy+y²-729x²+108xy-4y²=-720x²+102xy-3y²

Hope this helps.

Answer 2

Step-by-step explanation:

I hope you will help this answer

thanks