Question

(4m3n+5mn)-(3n3m+4mn)​

Answer 1

Question:-

(4m3n+5mn)-(3n3m+4mn)​

Answer:-

m+mn

Solution:-

$(4m3n+5mn)-(3n3m+4mn)\\\\4m3n+5mn-3n3m-4mn\\\\4m3n-3n3m+5mn-4mn\\\\1m+1mn\\\\m+mn$

Note:-

     If the minus sign comes before the bracket then the sign should be changed. Eg-

4y-(3y+3)

4y-3y-3

y-3

Answer 2

Answer:

m+mn is the answer