Question

Subtracted from -7mn+2m^2+3n^2 to get m^2+2mn+n^2​

Answer 1

Answer:

-5mn+3m^2+4m2

Step-by-step explanation:

-7mn+2m^2+3n^2

(+)2mn+m^2+n^2

--------------------------------------

-5mn+3m^2+4n^2

check it....

-5mn+3m^2+4n^2

(-) -7mn+2m^2+3n^2

--------------------------------

2mn+m^2+n^2