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How do I factor this?

5y^3-34y^2-7y=0

I know that you factor out a y, but then it factors again, how?

Thank-you very much

Update:

How do I do this one?

x^4-4x^2+3=0

1 Answer

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  • Twiggy
    Lv 7
    1 decade ago
    Favorite Answer

    5y^3 - 34y^2 -7y

    =y(5y^2 - 34y - 7)

    =y(5y + 1)(y - 7).

    Hope this helps, Twiggy.

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