Which polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 – 2m6 5m2n4 – m3n3 n6 – 4m6 9m2n4 – mn5 – 4m3n3 n6 7mn5 14m2n4 – 5m3n3 – 6m6 –2m6 – 5m3n3 14m2n4 7mn5 n6 14m2n4 7mn5 – 6m6 – 5m3n3 n6 n6 – 6m6 7mn5 14m2n4 – 5m3n3