document.write( "Question 85585: adding and subtracting rational expressions.\r
\n" );
document.write( "\n" );
document.write( "8x-5 over 3x-1 + 4x+1 over 3x-1\r
\n" );
document.write( "\n" );
document.write( "a subtraction one\r
\n" );
document.write( "\n" );
document.write( "x+5 over x-3 - x over 3-x\r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #61825 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! adding and subtracting rational expressions. \n" ); document.write( "(8x-5)/(3x-1) + (4x+1)/(3x-1) \n" ); document.write( "Denominators are the same so we can add the two numerators to get: \n" ); document.write( "[8x-5+4x+1]/[3x-1] \n" ); document.write( "=[12x-4]/[3x-1] \n" ); document.write( "=[4(3x-1)]/[3x-1] \n" ); document.write( "=4 \n" ); document.write( "----------------------- \n" ); document.write( " \n" ); document.write( "a subtraction one \n" ); document.write( "(x+5)/(x-3) - (x)/(3-x) \n" ); document.write( "=(x+5)/(x-3) + x/(x-3) \n" ); document.write( "=[2x+5]/[x-3] \n" ); document.write( "---------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |