Question

Give answer from 4 exercise to last​

Answer 1

Answer:-

Answer 4):

(9l+2m-3n^2) + (-3l+m+4n^2)= 6l+3m+1n^2

(3l-4m-7n^2) + (2l+3m-4n^2) =5l -1m -11n^2

- + +

Final Answer: 1l +2m-10n^2