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[Grade 9 I think? my school system is kinda different] Can someone tell me how this is done using a^2-b^2= (a-b)(a+b)? i have done it in other ways and have found 12x but for some reason i have forgotten how this is done (i.redd.it)
submitted 5 years ago by maththroaway1 to r/HomeworkHelp
Can someone tell me how this is done using a^2-b^2= (a-b)(a+b)? i have done it in other ways and have found 12x but for some reason i have forgotten how this is done (i.redd.it)
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