document.write( "Question 3957: write the expression as a single logrithm\r
\n" ); document.write( "\n" ); document.write( "log5 (x(squared - 36) - 8log5 (x+6) = log5 _____ . fill in the space at the end
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Algebra.Com's Answer #1741 by longjonsilver(2297)\"\" \"About 
You can put this solution on YOUR website!
not sure what you are doing here, but it is way off. Too much. Too much :-)\r
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\n" ); document.write( "\n" ); document.write( "Your H, L and W definitions are spot on, but it says the base area = 84. The base area = LW, so (x-3)(x+5)=84. Multiplying this out gives \r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2+%2B+2x+-+15+=+84\"
\n" ); document.write( "\"x%5E2+%2B+2x+-+99+=+0\"
\n" ); document.write( "(x+11)(x-9) = 0\r
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\n" ); document.write( "\n" ); document.write( "so x+11 = 0 OR x-9=0\r
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\n" ); document.write( "\n" ); document.write( "so x=-11 or x=9\r
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\n" ); document.write( "\n" ); document.write( "So, out solution is the x=9, since we are after a height.\r
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\n" ); document.write( "\n" ); document.write( "jon.
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