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Re: how do i factor trinomals

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Chippinator is not online. Chippinator
Joined: 17 Jul 2011
Total Posts: 6411
12 Feb 2015 10:39 PM
so the lesson is like

from here
(-15 + 17v + 4v2)

Factor a trinomial.
2((-5 + -1v)(3 + -4v))

RIP james 1998-20152
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CuriousChickadee is not online. CuriousChickadee
Joined: 30 Oct 2011
Total Posts: 57455
12 Feb 2015 10:41 PM
1. don't ask rt
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Chippinator is not online. Chippinator
Joined: 17 Jul 2011
Total Posts: 6411
12 Feb 2015 10:44 PM
ok bye

RIP james 1998-2015
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royaltoe is not online. royaltoe
Joined: 14 Sep 2011
Total Posts: 36834
12 Feb 2015 10:46 PM
If there is a greatest common factor, find it and put it outside of the equation
find all the factors of the last number in the trinomial and see if there is anything that can equal the second number in the trinomial of yes, and the first number is something such as x^2, write [x + #][x+#]
hard to explain mang just google it
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BoxSale is not online. BoxSale
Joined: 01 Sep 2011
Total Posts: 7604
12 Feb 2015 10:46 PM
OK SO
(-15 + 17v + 4v2)
is out of order
(4v2 + 17v - 15) is how it should go since the more v's goes first

multiply the first monomial by the third to get -60

now what two numbers multiplied gets -60 and added gets 17?

that would be 20 and -3
so 4v2 + 20v -3v - 15

paretheses, so (4v2 + 20v)(-3v - 15)

find the gcf of both, so 4v(v + 5)-3(v + 5)

since they are both v + 5, the answer is 4v - 3(v + 5)
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