Alexus R.

asked • 09/11/12

what are the rules of signs for factoring trinomials

factoring trinomials

1 Expert Answer


Raymond Y. answered • 09/12/12

New to Wyzant

Reilley The Tutor

Carlos G.

The latter rule does not apply to the trinomial 3a^2+2a-21 where the symbols are positive and negative because the answer is (3a-7)(a+3).


Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.


Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.