document.write( "Question 336197: I can't solve this problem z^2-49/7-z for removing factors of 1. \n" ); document.write( "

Algebra.Com's Answer #241076 by galactus(183) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%28z%5E2-49%29%2F%287-z%29\"$ \r
\n" ); document.write( "\n" ); document.write( "Factor the numerator:\r
\n" ); document.write( "\n" ); document.write( " $\"%28%28z%2B7%29%28z-7%29%29%2F%287-z%29\"$ \r
\n" ); document.write( "\n" ); document.write( "Multiply by -1:\r
\n" ); document.write( "\n" ); document.write( " $\"%28-%28z%2B7%29%287-z%29%29%2F%287-z%29\"$ \r
\n" ); document.write( "\n" ); document.write( "Cancel the 7-z:\r
\n" ); document.write( "\n" ); document.write( " $\"-%28z%2B7%29\"$ \n" ); document.write( "

\n" );