document.write( "Question 146189: I am taking a college calculus class afterm some time off and I cannot remember how to solve simplify a polynomial with division.\r
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document.write( "It is as follows: [(x+3/x+1)-2]/(x-1). What are the rules to remember and how would I begin solving this? \n" );
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Algebra.Com's Answer #106743 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! [(x+3/x+1)-2]/(x-1)\r \n" ); document.write( "\n" ); document.write( "To simplify the bracket you need a common denominator:\r \n" ); document.write( "\n" ); document.write( "= [(x+3)/(x+1) - 2(x+1)/(x+1)] / (x-1)\r \n" ); document.write( "\n" ); document.write( "Now combine the numerators in the bracket to get:\r \n" ); document.write( "\n" ); document.write( "= [(x+3 -2x-2)/(x+1)] /(x-1)\r \n" ); document.write( "\n" ); document.write( "= [(-x+1)/(x+1)]/(x-1) \r \n" ); document.write( "\n" ); document.write( "Now, invert the denominator and change to multiplication:\r \n" ); document.write( "\n" ); document.write( "= [-(x-1)/(x+1)] * [ 1/(x-1)]\r \n" ); document.write( "\n" ); document.write( "Cancel any factor that is common to a numerator and a denominator to get:\r \n" ); document.write( "\n" ); document.write( "= [-1/(x+1)]\r \n" ); document.write( "\n" ); document.write( "= -1/(x^2-1)\r \n" ); document.write( "\n" ); document.write( "===================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "= [ \n" ); document.write( " \n" ); document.write( " |