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OpenStudy (anonymous):
thats 4a squared
OpenStudy (anonymous):
4a-3a=?
OpenStudy (anonymous):
and one more hint:
(4a )(a )
OpenStudy (anonymous):
You should be able to see it now. Just remember to FOIL to check it
OpenStudy (anonymous):
first outter inner last
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OpenStudy (anonymous):
i got (4a+3)(a-1)?
OpenStudy (anonymous):
@agentx5 ?
OpenStudy (anonymous):
@phds i saw you viewing do you think you can help??
OpenStudy (anonymous):
You are nearly right. You just have the signs of the 3 and 1 the wrong way round.
OpenStudy (anonymous):
i get this but Richie your factored numbers are supposed to add up to the middle, so aren't your factors supposed to add up to +1 which is/= a... but 3 and -1=2... ? its not 2a in the middle...
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OpenStudy (anonymous):
The middle factor comes from 4a x 1 and a x -3 which equals 4a -3a, which equals a.
OpenStudy (anonymous):
Sorry, I meant the middle term of the original equation...