Kxrston Kxrston

03-10-2018
Mathematics

contestada

Factor out:
5y^2-2y-7

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sheyachan2001 sheyachan2001

03-10-2018

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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