emjsewe emjsewe

20-03-2017
Mathematics

contestada

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

Respuesta :

LionKing2003 LionKing2003

17-05-2017

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

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