Asked by Carly
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.......
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.......
Answers
Answered by
bobpursley
(3x)^2-7^2
(3x-7)(3x+7)
(3x-7)(3x+7)
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