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When I have a trinomial with two negatives, is the grouped factoring both negative too?
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When I have a trinomial with two negatives, is the grouped factoring both negative too?

User Erick Boshoff
by
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1 Answer

6 votes
Simple...

you have:
y^(2) -7y-18

(Using the box method)

-->>>

What multiplies to -18 but adds to -7?

-9*2=-18

-9+2=-7

Leaving you with...

(y-9)(y+2)

As we can see the grouped factoring is not all negative...

Thus, your answer.
User Cobolt
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