Question

Answer it will be mark brainliest ​

Answer 1

Answer:

i) -x +2y + z

ii) -2x^2 +8x-8

iii)-3xy +1 -3zx

iv)-a^2 -7ab -7b^2

Answer 2

1. 2x + 6y + 6z
2. 15xy - 1yz + 4zx

hope it help u...and sorry ur question 3 and 4 is unable to understand....❤️❤️