Mathematics
metalparamore9
4

Determine whether the polynomial is a difference of squares and if it is, factor it. y2 − 25 A. Is not a difference of squares B. Is a difference of squares: (y − 5)2 C. Is a difference of squares: (y + 5)(y − 5) D. Is a difference of squares: (y + 5)2

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(1) Answers
sxicidxl

the answer is C     y² - 25 = y² - 5²  =  (y + 5)(y - 5) which is a difference of two squares

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