document.write( "Question 84037: I am in need of help: how do you solve -4/y-3 + 1 = -10/y^2-y-12? Please help me! Thank you very much! ( the problem is negative four divided by y minus three, plus one equals negative ten divided by y to the second power minus y minus twelve) \n" ); document.write( "
Algebra.Com's Answer #60489 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! solve -4/(y-3) + 1 = -10/(y^2-y-12)\r \n" ); document.write( "\n" ); document.write( "Get a common denominator on the left side:\r \n" ); document.write( "\n" ); document.write( "(-4+y-3)/(y-3) = -10/(y^2-y-12)\r \n" ); document.write( "\n" ); document.write( "(y-7)/(y-3) = -10/(y^2-y-12)\r \n" ); document.write( "\n" ); document.write( "Cross multiply to get:\r \n" ); document.write( "\n" ); document.write( "(y-7)(y^2-y-12) = -10(y-3)\r \n" ); document.write( "\n" ); document.write( "y^3-8y^2-5y+84 = -10y+30\r \n" ); document.write( "\n" ); document.write( "y^3-8y^2+5y+54=0\r \n" ); document.write( "\n" ); document.write( "I used a TI graphing calculator to find:\r \n" ); document.write( "\n" ); document.write( "y=-2.08\r \n" ); document.write( "\n" ); document.write( "=========== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |