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Determine whether the polynomial is a difference of squares and if it is, factor it.



y^2 – 225




is a difference of squares: (y + 15)^2


is a difference of squares: (y – 15)(y + 15)


is not a difference of squares


is a difference of squares: (y – 15)^2

Verified Answer :

(y-15)(y+15) if you do (y+15)^2, then that'll be y^2 + 225

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