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OpenStudy (anonymous):
how does (x^2-1)/(x+1)=x-1 ?
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zepdrix (zepdrix):
Let's try some multiplication! :) \(\large\rm (x+1)(x-1)\) Remember how to FOIL?
OpenStudy (anonymous):
yes, it's x^2-1
OpenStudy (anonymous):
ohhhh
zepdrix (zepdrix):
lol wow you figured that out quick XD
OpenStudy (anonymous):
thanks!
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