Question

Please help ASAP

(k+5)(k−5)=k^2 −25

Eleanor says that k+5 is a factor of k^2-25
Isabel says that k^2 -25 is divisible by k+5
Who is correct?

Answer 1

both are

Explanation:

A number, or a polynomial, is "divisible" by a "factor." Since (k+5) is a factor of (k^2-25), (k^2-25) is divisible by (k+5). Both Eleanor and Isabel are correct in their description.