document.write( "Question 285968: I am still very confused on how to simplify rational expressions: This is the problem I am working on\r
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document.write( " x-4
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document.write( " x^2-3x-4 \n" );
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Algebra.Com's Answer #207359 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! The best way to write this for us is \n" ); document.write( " (x-4)/(x^2-3x-4) \n" ); document.write( "This way clarifies for us exactly what is the numerator and what is the denominator \n" ); document.write( "To make it look nice surround it by 3 { and 3} \n" ); document.write( " \n" ); document.write( "My guess just looking at it would be that x-4 might be a factor of (x^2-3x-4) \n" ); document.write( "so we are looking for factors of -4 which add up to -3, \n" ); document.write( " -4 and 1 work \n" ); document.write( "(x-4)*(x+1)= (x^2-3x-4) \n" ); document.write( " (x-4)/(x^2-3x-4) = \n" ); document.write( "(x-4)/x-4)*(x+1)= \n" ); document.write( "1/x+1 \n" ); document.write( " \n" ); document.write( " |