document.write( "Question 631776: Please help me understand how to do this..
\n" ); document.write( "Perform the indicated operations and simplify the following expression:
\n" ); document.write( "2z-1/z^2+z-6 - 3z-5/z^2-2z-15 + 2z-3/z^2-7z+10
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Algebra.Com's Answer #397791 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,
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\n" ); document.write( "much like one like this \"z%2F2+-+%28z-1%29%2F5+%2B+%282z%2B1%29%2F3\" 1st step is to find the Lowest Common Denominator
\n" ); document.write( "Exploring the Denominators and factoring them:
\n" ); document.write( "(z^2+z-6) ⇒ (z+3)(z-2)
\n" ); document.write( "(z^2-2z-15) ⇒ (z-5)(z+3)
\n" ); document.write( "(z^2-7z+10) ⇒ (z-5)(z-2)
\n" ); document.write( "LCD is (z+3)(z-2)(z-5)
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\n" ); document.write( " Simplify the Numerator and Your done. \n" ); document.write( "
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