Answer :
Notice that:
[tex]25x^2-121=(5x)^2-(11)^2[/tex]which is a difference of squares, then:
[tex]25x^2-121=(5x+11)(5x-11)[/tex]Since it can be factored, the given polynomial is not prime.
Notice that:
[tex]25x^2-121=(5x)^2-(11)^2[/tex]which is a difference of squares, then:
[tex]25x^2-121=(5x+11)(5x-11)[/tex]Since it can be factored, the given polynomial is not prime.