Question

Which expression is equivalent to 4ab%C2%A0−%C2%A02bc%C2%A0−%C2%A03%E2%80%8Bac+2ab%C2%A0−%C2%A05bc%C2%A0+%C2%A09ac?

Answer 1

4ab - 2bc - 3ac + 2ab - 5bc + 9ac

Combining like terms, we get:

6ab - 7bc + 6ac