I have to explain, in complete sentences, whether or not the expression x2 – 121 fits one of the special patterns. If so, which one?
... explain how the polynomial is factored.
... and provide the factors.

I am lost on this question. I am not aware of these "special patterns".

Question

I have to explain, in complete sentences, whether or not the expression x2 – 121 fits one of the special patterns. If so, which one?
... explain how the polynomial is factored. 
... and provide the factors.

I am lost on this question. I am not aware of these "special patterns".

anonymous · Answer

I don't know how to factor it either. :\

mertsj · Answer

What are the special patterns?

anonymous · Answer

I am not aware of these "special patterns".

mertsj · Answer

Do you have a book?

anonymous · Answer

diference of a perfect square:

(x-a) (x+a)

so

(x-11)(x+11)

anonymous · Answer

Online Schooled. I figured they were just alternate names of types of factors.

anonymous · Answer

Like Perfect Square and Difference of a Perfect Square

anonymous · Answer

yes.  a2 - b2 = (a + b)(a - b) Difference of two squares

anonymous · Answer

Thank you.

anonymous · Answer

kk