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Factor y3−9y2+y−9 by grouping.
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Factor y3−9y2+y−9 by grouping.

User Vjardel
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1 Answer

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y^3 - 9y^2+y-9

= y^3 + y - 9y^2 -9

= y(y^2+1) - 9(y^2+1)

= (y - 9)(y^2+1)
User Emrys Myrooin
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