document.write( "Question 745597: find a if a(a-8)=20 \n" ); document.write( "
Algebra.Com's Answer #453937 by tommyt3rd(5050)\"\" \"About 
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a(a-8)=20\r
\n" ); document.write( "\n" ); document.write( "\"a%5E2-8a-20=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28a-10%29%28a%2B2%29=0\" \r
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\n" ); document.write( "\n" ); document.write( "so a= 10 or a=-2
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