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Mathematics 18 Online
OpenStudy (anonymous):

Question is in pic below; What I need help on is how to factor the first denominator.

OpenStudy (anonymous):

OpenStudy (whpalmer4):

You see that both coefficients are squares, right? \[(ax+b)(ax-b)= a^2x^2-abx+abx-b^2 = a^2x^2-b^2\]

OpenStudy (anonymous):

Oh...I see. Thanks

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