SOLUTION: Explain how to reverse FOIL, when factoring a polynomial of the form ax^2 + bx + c.When (a) is not equal to 1. Give an example thank you

SOLUTION: Explain how to reverse FOIL, when factoring a polynomial of the form ax^2 + bx + c.When (a) is not equal to 1. Give an example thank you

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Question 154267: Explain how to reverse FOIL, when factoring a polynomial of the form ax^2 + bx + c.When (a) is not equal to 1. Give an example
thank you
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
3x^2-7x+2
the factors of 3=1,3 & -1,-3
the factors or 2=1,2 & -1,-2
now find the sum of the products of each group of factors thus:
1*1+3*2=7
1*2+1*3=5
1*-1+3*-2=-1-6=-7 eureka this is the combination.
(3x-1)(x-2)

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