Question

please........ answer..... fast. ....​

Answer 1

I hope that it will helpful to you......

Answer 2

Answer:

3x^2-4x+1-10xy+6y+8y^2

Step-by-step explanation:

3(x+1)^2 - 10(x+1)(y+1) + 8(y+1)^2

3(x^2 + 2x +1) - 10(xy+y+x+1) +8(y^2 +2y+1)

3x^2 - 4x +1 - 10xy +6y +8y^2