document.write( "Question 311997: 10log(x)-7 log(y)+5 log(z)
\n" ); document.write( "I keep getting: \"log%28%28%28x%5E10%29%2F%28y%5E7z%5E5%29%29%29\"\r
\n" ); document.write( "\n" ); document.write( "But this is wrong, why? \n" ); document.write( "
Algebra.Com's Answer #223076 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "What you got is what the answer would have been if\r\n" );
document.write( "the sign of the third term had been \" - \" and not \" + \". \r\n" );
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document.write( "Here's the right way. Pay close attention to the signs\r\n" );
document.write( "and the log rules:\r\n" );
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document.write( "\"10log%28%28x%29%29-7log%28%28y%29%29%2B5log%28%28z%29%29\"\r\n" );
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document.write( "Use the rule \"A%2Alog%28%28C%29%29=log%28%28C%5EA%29%29\" on all three terms,\r\n" );
document.write( "to change the coefficients to exponents:\r\n" );
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document.write( "\"log%28%28x%5E10%29%29-log%28%28y%5E7%29%29%2Blog%28%28z%5E5%29%29\"\r\n" );
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document.write( "Use the rule \"log%28%28A%29%29-log%28%28C%29%29=log%28%28A%2FC%29%29\"\r\n" );
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document.write( "to write the first two terms as the log of a quotient:\r\n" );
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document.write( "\"log%28%28%28x%5E10%29%2F%28y%5E7%29%29%29%2Blog%28%28z%5E5%29%29\"\r\n" );
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document.write( "Use the rule \"log%28%28A%29%29%2Blog%28%28C%29%29=log%28%28AC%29%29\"\r\n" );
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document.write( "to write those two terms as the log of a product:\r\n" );
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document.write( "\"log%28%28%28%28x%5E10%29%2F%28y%5E7%29%29%28z%5E5%29%29%29\"\r\n" );
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document.write( "Put the second factor in the parentheses over 1:\r\n" );
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document.write( "\"log%28%28%28%28x%5E10%29%2F%28y%5E7%29%29%28z%5E5%2F1%29%29%29\"\r\n" );
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document.write( "Multiply the two tope and the two bottoms:\r\n" );
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document.write( "\"log%28%28%28x%5E10z%5E5%29%2F%28y%5E7%29%29%29\"\r\n" );
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document.write( "Edwin
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