Try another version of this question Question 1 Factor the expression. `49x^2-9` = Get help: VideoBox 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question `(7 x-3) (7 x+3)`
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Get help: Video
Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c Be sure your variables match those in the question