Alexus R.

asked • 09/11/12

what are the rules of signs for factoring trinomials

factoring trinomials

1 Expert Answer

By:

Raymond Y. answered • 09/12/12

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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).
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08/29/13

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