SOLUTION: 10y^2+9y+2 Factor completely I know that 10 is the GCF and i factor out 5 but I don't know what to do with the 9y. I missed a class and the tutors at school donl't work weekends.

Question 71121: 10y^2+9y+2 Factor completely
I know that 10 is the GCF and i factor out 5 but I don't know what to do with the 9y. I missed a class and the tutors at school donl't work weekends.
If you could show me how it is done. It would help. I cannot find an example in the book that compares
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
10y^2+9y+2 needs to be factored thus:
(5y+2)(2y+1)
If you can't figure out the factors of 10 & 2 that add up to 9 then maybe you should use the quadratic equation. Thus:

Where ay^2+by+c=0 is the standard form of the quadratic equation.
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