Which expression is equivalent to (9m^2+5mn-4n^2)-(7m^2+3,m+6n^2)?
16m^4+8m^2n^2+2n^4
16m^2+8mn+2n^2
2m^2+8mn+2n^2
2m^2+2mn-10n^2
The correct expression equivalent to (9m^2+5mn-4n^2)-(7m^2+3,m+6n^2) is:
2m^2+2mn-10n^2
16m^4+8m^2n^2+2n^4
16m^2+8mn+2n^2
2m^2+8mn+2n^2
2m^2+2mn-10n^2
2m^2+2mn-10n^2