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3 November, 17:30

Factor out:

5y^2-2y-7

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Answers (1)
  1. 3 November, 17:50
    0
    5y^2-2y-7=0

    Product (x) = - 35

    Addition (+) = - 2

    ~=5 and - 7

    5y^2+5y-7y-7=0

    5y (y+1) - 7 (y+1) = 0

    (5y-7) (y+1)
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