document.write( "Question 150626: z^2-8z+15/z^2+2z-35 this is a fraction \n" ); document.write( "
Algebra.Com's Answer #110560 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "\"%28z%5E2-8z%2B15%29%2F%28z%5E2%2B2z-35%29\" Start with the given expression.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28%28z-3%29%2A%28z-5%29%29%2F%28z%5E2%2B2z-35%29\" Factor \"z%5E2-8z%2B15\" to get \"%28z-3%29%2A%28z-5%29\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28%28z-3%29%2A%28z-5%29%29%2F%28%28z%2B7%29%2A%28z-5%29%29\" Factor \"z%5E2%2B2z-35\" to get \"%28z%2B7%29%2A%28z-5%29\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28%28z-3%29highlight%28z-5%29%29%2F%28%28z%2B7%29highlight%28z-5%29%29\" Highlight the common terms. \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28%28z-3%29cross%28z-5%29%29%2F%28%28z%2B7%29cross%28z-5%29%29\" Cancel out the common terms. \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%28z-3%29%2F%28z%2B7%29\" Simplify. \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So \"%28z%5E2-8z%2B15%29%2F%28z%5E2%2B2z-35%29\" simplifies to \"%28z-3%29%2F%28z%2B7%29\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "In other words, \"%28z%5E2-8z%2B15%29%2F%28z%5E2%2B2z-35%29=%28z-3%29%2F%28z%2B7%29\" where \"z%3C%3E-7\" or \"z%3C%3E5\"
\n" ); document.write( "
\n" ); document.write( "
\n" );