Question

add
1) 3a2b,-5a2b,10a2b,-7a2b
2) 3a-2b+c,5a+8b-7c
3) 4x2-5xy+3y2,8x2+7xy-6y2,-x2-9x5+13y2​

Answer 1

Answer:

1) 8a+6b-6c

2) 5a2b

this is your answer

3) you do yorself

Answer 2

Answer:

I hope the above attachment is helpful to you