SOLUTION: Dear dir or mam: I am working on factoring trinomials completely 13n+4n^2-12

Question 207734: Dear dir or mam: I am working on factoring trinomials completely
13n+4n^2-12
Answer by RAY100(1637) (Show Source): You can put this solution on YOUR website!
4 n^2 +13n -12
.
factors of 4,,4-1,,2-2,,,,,,,,,,,,,factors of 12,,1-12,,2-6,,3-4,,
.
Last term is negative ,,, Therefore one sign is -,,and one +,,,
and middle term is result of a difference of outside, inside, factors
.
( 4n-3) (n+4)
.
check using FOIL,
.
4 n^2 +16n - 3n -12= 4n^2 +13n -12,,,,,ok
.

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