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27 votes
27 votes
Factor by grouping:y^3-5y^2+3y-15

User Iwona
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1 Answer

13 votes
13 votes

we have the expression

y^3-5y^2+3y-15

Grouping terms

(y^3-5y^2)+(3y-15)

factor y^2

y^2(y-5)+(3y-15)

factor 3

y^2(y-5)+3(y-5)

factor (y-5)

(y-5)[y^2+3]

User Stzoannos
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