<PRE><B>Question 598111</B>
How do I solve the equation b/b-1 + 2/b-4 ? can I just use the quadratic equation? when I use the quadratic equation it comes out  is that the correct answer? 
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Least common Divisor: (b-1)(b-4)
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Rewrite each fraction with the lcm as its denominator:
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(b(b-4))/lcm + (2(b-1))/lcm
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Combine the numerators over the denominator to get:
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= (b^2-4b+2b-2)/lcm
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Simplify:
= (b^2-2b-2)/[(b-1)(b-4)]
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Cheers.
Stan H.</PRE>