pinkparker14
pinkparker14
24-02-2018
Mathematics
contestada
Factor y3−9y2+y−9 by grouping.
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Аноним
Аноним
24-02-2018
[tex]y^3 - 9y^2+y-9 [/tex]
[tex]= y^3 + y - 9y^2 -9 [/tex]
[tex]= y(y^2+1) - 9(y^2+1) [/tex]
[tex]= (y - 9)(y^2+1)[/tex]
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