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Mathematics 9 Online
OpenStudy (anonymous):

simplify the complex expression:

OpenStudy (anonymous):

OpenStudy (anonymous):

I know that the answer is x^2+3. But i can't figure out how to get the answer. Any help would be awesome.

OpenStudy (unklerhaukus):

multiply the numerator and denominator of the big fraction by \[x^2-1=(x+1)(x-1)\]

OpenStudy (saifoo.khan):

Solve step by step:|dw:1343002415244:dw|

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