document.write( "Question 321707: I am having a lot of trouble with this problem, and cannot get it to work out.\r
\n" ); document.write( "\n" ); document.write( "\"%28%286%29%2F%28y-3%29%29-%28%282%29%2F%28y%29%29=%28%287y%2B3%29%2F%28y%5E2-9%29%29\"\r
\n" ); document.write( "\n" ); document.write( "After going through several different methods I could think of, and each time getting a different and wrong answer, I still don't see how the answers of -1 and 6 are calculated.\r
\n" ); document.write( "\n" ); document.write( "From what I remember, the first thing is that (y-9)(y-9)(y) is the common denominator, and so all is multiplied by a factor of one in that form, canceling out all denominators, which would leave us with 6(y-3)(y) - 2(y-3)(y-3) = 7y+3(y)\r
\n" ); document.write( "\n" ); document.write( "This becomes -3y^2 - 9y - 18 = 0\r
\n" ); document.write( "\n" ); document.write( "And then -3(y^2 + 3y + 6) = 0\r
\n" ); document.write( "\n" ); document.write( "I cannot factor this, and so in using the quadratic formula I end up with a crazy number that is not the solution given on the practice test.\r
\n" ); document.write( "\n" ); document.write( "Any help in figuring out where I'm going wrong would be much appreciated.
\n" ); document.write( "

Algebra.Com's Answer #230355 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "You are sooooooo close...\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "And right there is your mistake. Check the sign on the binomial factor in the first term of the numerator.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "And the quadratic factors...\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "John
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" );