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factor x^2 - 49z^2
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use this formula a^2-b^2 = (a+b)(a-b)
Thanks mayne
I made a few videos on this topic: http://www.mathmods.com/mat100/Chapters/Factoring/sum_diff_squares2/sum_diff_squares2.html http://www.mathmods.com/mat100/Chapters/Factoring/sum_diff_squares1/sum_diff_squares1.html http://www.mathmods.com/mat100/Chapters/Factoring/sum_diff_squares3/sum_diff_squares3.html
Thanks this helps
good ... I have a lot of factoring videos
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I found the link to my factoring videos in case you want to use them: www.mathmods.com/mat100/Chapters/Factoring/factoring_video_links.pdf
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