233k views
18 votes
Pls help me

pls write method
add
1) 3x²+5x-8 ; 2x²-9x+9
2) 8xy+19-5x² ; 7x²-5+3xy
subtract
1) 9x²-5x+3xy-8 from 2x²-8x-4xy+9​

User Shdr
by
3.8k points

1 Answer

10 votes

Answer:

5x(squared)-4x+1

2x(squared)+11xy+14

7x(squared)+7xy+3x-17

Explanation:

User Vidriduch
by
4.4k points