How do I factor 9x^2 - 49?

I believe this is a difference of squares, but I'm not sure how to do it with the 9 in front of the first term.......

1 answer

(3x)^2-7^2
(3x-7)(3x+7)
Similar Questions
    1. answers icon 1 answer
    1. answers icon 1 answer
  1. Can someone explain the following to me?1.How do you factor the difference of two squares? 2.How do you factor the perfect
    1. answers icon 1 answer
  2. Can someone help me factor this problem?Generally I wouldn't have a problem doing it, but today we're supposed to factor
    1. answers icon 1 answer
more similar questions