SOLUTION: Find the following product: (x - 3)(x + 3) it seems easy. I got: x^2-6x-9 not sure if the 9 is supposed to be pos or neg.?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Find the following product: (x - 3)(x + 3) it seems easy. I got: x^2-6x-9 not sure if the 9 is supposed to be pos or neg.?      Log On


   

Question 609470: Find the following product: (x - 3)(x + 3)
it seems easy. I got:
x^2-6x-9
not sure if the 9 is supposed to be pos or neg.?
Answer by lynnlo(4176) About Me  (Show Source):