Question

n^2-16n+64 is prime right?

Answer 1

it can be factored

Answer 2

i tried using foil method but it didnt work

Answer 3

tell me two numbers whose product is 64 and sum is -16

Answer 4

\[\Delta=16^2-4\times 64=0\]yeah it is not prime

Answer 5

so the way it is factored is (n-8)^2

Answer 6

yup

Answer 7

ok thanks alot