document.write( "Question 1206053: Simplify :\r
\n" ); document.write( "\n" ); document.write( "(6-a-a^2)/(a^2-4)
\n" ); document.write( "So I factor to cancel terms
\n" ); document.write( "(2-a)(3+a)/(a+2)(a-2)
\n" ); document.write( "And so I get
\n" ); document.write( "(3+a)/(a+2)
\n" ); document.write( "BUT
\n" ); document.write( "The answer on the book is
\n" ); document.write( "(-3+a)/(a+2)\r
\n" ); document.write( "\n" ); document.write( "Where did the negative sign come from ?
\n" ); document.write( "Please help.thanks In advance !
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Algebra.Com's Answer #843242 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
(6-a-a^2)/(a^2-4)\r
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\n" ); document.write( "\n" ); document.write( "(6-3a+2a-a^2)/(a+2)(a-2)\r
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\n" ); document.write( "\n" ); document.write( "(3(2-a)+a(2-a))/(a+2)(a-2)\r
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\n" ); document.write( "\n" ); document.write( "(3+a)(2-a)/(a+2)(a-2)\r
\n" ); document.write( "\n" ); document.write( "Bring the negative sign out and change sign of (2-a) to (a-2)\r
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\n" ); document.write( "\n" ); document.write( "-(3+a)(a-2)/(a+2)(a-2) Cancel off (a-2)\r
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\n" ); document.write( "\n" ); document.write( "-(3+a)/(a+2)\r
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