SOLUTION: Factor the trinomial 4n^2-26n-42

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Question 187301This question is from textbook McDougal Littell Algebra 1
: Factor the trinomial
4n^2-26n-42 This question is from textbook McDougal Littell Algebra 1

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
4n^2-26n-42
n+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
n=(26+-sqrt[-26^2-4*4*-42])/2*4
n=(26+-sqrt[676+672])/8
n=(26+-sqrt[1348])/8
n=(26+-36.715)/8
n=(26+36.715)/8
n=62.715/8
n=7.839 ans.
n=(26-36.715)/8
n=10.715/8
n=-1.339 ans.