document.write( "Question 992750: 2[(x)/(x+2)]^2 - 3[(x)/(x+2)] - 9 = 0\r
\n" ); document.write( "\n" ); document.write( "Can you help me?
\n" ); document.write( "

Algebra.Com's Answer #612313 by AnlytcPhil(1806)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "Or you can use u-substitution:\r\n" );
document.write( "\r\n" );
document.write( "\"2%28x%2F%28x%2B2%29%29%5E2+-+3%28%28x%29%2F%28x%2B2%29%29+-+9+=+0\"\r\n" );
document.write( "\r\n" );
document.write( "Let \"u=x%2F%28x%2B2%29\"\r\n" );
document.write( "\r\n" );
document.write( "then the above becomes:\r\n" );
document.write( "\r\n" );
document.write( "\"2u%5E2+-+3u+-+9+=+0\"\r\n" );
document.write( "\r\n" );
document.write( "\"%28u-3%29%282u%2B3%29=0\"\r\n" );
document.write( "\r\n" );
document.write( "\"u-3=0\";  \"2u%2B3=0\"\r\n" );
document.write( "\r\n" );
document.write( "\"u=3\";  \"2u=-3\"\r\n" );
document.write( "\r\n" );
document.write( "             \"u=-3%2F2\"\r\n" );
document.write( "\r\n" );
document.write( "Then since  \"u=x%2F%28x%2B2%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"x%2F%28x%2B2%29=3\";   \"x%2F%28x%2B2%29=-3%2F2\"\r\n" );
document.write( "\r\n" );
document.write( "Mutiply both sides by x+2\r\n" );
document.write( "\r\n" );
document.write( "\"x=3%28x%2B2%29\";   \"2x=-3%28x%2B2%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"x=3x%2B6\";      \"2x=-3x-6\"\r\n" );
document.write( "\r\n" );
document.write( "\"-2x=6\";        \"5x=-6\"\r\n" );
document.write( "\r\n" );
document.write( "\"x=-3\";          \"x=-6%2F5\"\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );