document.write( "Question 701287: how do i solve for x: x/(x-5)-2/(x+5)=50/(x^2-25)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #432359 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"+x%2F%28x-5%29-2%2F%28x%2B5%29=50%2F%28x%5E2-25%29\"....common denominator for \"x-5\" and \"x%2B5\" \"%28x-5%29%28x%2B5%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "....since \"%28x-5%29%28x%2B5%29=%28x%5E2-25%29\", we will have\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"+%28x%28x%2B5%29-2%28x-5%29%29%2F%28x%5E2-25%29%29=50%2F%28x%5E2-25%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"+%28x%5E2%2B5x-2x%2B5%29%2F%28x%5E2-25%29%29=50%2F%28x%5E2-25%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"+%28x%5E2%2B3x%2B5%29%2F%28x%5E2-25%29%29=50%2F%28x%5E2-25%29\".....cross multiply\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"+%28x%5E2%2B3x%2B5%29%28x%5E2-25%29=50%28x%5E2-25%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%5E4-25x%5E2%2B3x%5E3-75x%2B5x%5E2-125=50x%5E2-1250\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%5E4-25x%5E2%2B3x%5E3-75x%2B5x%5E2-125-50x%5E2%2B1250=0\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%5E4%2B3x%5E3-70x%5E2-75x%2B1125=0\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%283x%5E3-75x%29%2Bx%5E4-70x%5E2%2B1125=0\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"3x%28x%5E2-25%29%2B%28x%5E4-25x%5E2%29-%2845x%5E2-1125%29=0\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"3x%28x%5E2-25%29%2Bx%5E2%28x%5E2-25%29-45%28x%5E2-25%29=0\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28x%5E2-25%29%28x%5E2%2B3x-45%29=0\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28x-5%29%28x%2B5%29%28x%5E2%2B3x-45%29=0\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "if \"%28x-5%29=0\"....=>...\"x=5\"\r
\n" ); document.write( "\n" ); document.write( "if \"%28x%2B5%29=0\"....=>...\"x=-5\"\r
\n" ); document.write( "\n" ); document.write( "if \"%28x%5E2%2B3x-45%29=0\", ...we need to use quadratic formula to find zeros\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\" \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B-+sqrt%28+3%5E2-4%2A1%2A%28-45%29+%29%29%2F%282%2A1%29+\" \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B-+sqrt%28+9%2B180+%29%29%2F2+\" \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B-+sqrt%28+189+%29%29%2F2+\" \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B-+13.75%29%2F2+\" \r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+%2B+13.75%29%2F2+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=++10.75%2F2+\"\r
\n" ); document.write( "\n" ); document.write( " \"x+=+5.375+\"\r
\n" ); document.write( "\n" ); document.write( "and\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-3+-+13.75%29%2F2+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=++-16.75%2F2+\"\r
\n" ); document.write( "\n" ); document.write( " \"x+=+-8.375+\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "so, your solutions are:\r
\n" ); document.write( "\n" ); document.write( "\"x=5\"\r
\n" ); document.write( "\n" ); document.write( "\"x=-5\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+5.375+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-8.375+\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );