## x 2 - 14 x + 45. Factor completely

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rainyb
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### x 2 - 14 x + 45. Factor completely

x 2 - 14 x + 45. Factor completely ,i am lost.
Thank you

Martingale
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### Re: x 2 - 14 x + 45. Factor completely

x 2 - 14 x + 45. Factor completely ,i am lost.
Thank you
do you know the factors of 45?

rainyb
Posts: 6
Joined: Sun Mar 27, 2011 4:19 am
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### Re: x 2 - 14 x + 45. Factor completely

they are 1, 3, 5, 9, 15, and 45. but i dont understand how to work this. Help
Thank you

Martingale
Posts: 333
Joined: Mon Mar 30, 2009 1:30 pm
Location: USA
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### Re: x 2 - 14 x + 45. Factor completely

they are 1, 3, 5, 9, 15, and 45. but i dont understand how to work this. Help
Thank you
don't forget the negative versions of the above numbers.... (-3)*(-15)=45

can you use two of those numbers (positive/negative) so that their product is 45 and their sum is -14?

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