document.write( "Question 1042897: Solve for x if 2log(x-1)+3log2=log(x+2)
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Algebra.Com's Answer #657951 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Instead of doing yours for you, I'll do another one exactly\r\n" );
document.write( "like yours step-by-step, so you can use it as an exact model \r\n" );
document.write( "of yours to go by.\r\n" );
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document.write( "\"2%2Alog%28%28x-3%29%29%2B2%2Alog%28%283%29%29\"\"%22%22=%22%22\"\"log%28%28x%2B3%29%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"log%28%28%28x-3%29%5E2%29%29%2Blog%28%283%5E2%29%29\"\"%22%22=%22%22\"\"log%28%28x%2B3%29%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"log%28%28%28x-3%29%5E2%29%29%2Blog%28%289%29%29\"\"%22%22=%22%22\"\"log%28%28x%2B3%29%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"log%28%289%28x-3%29%5E2%29%29\"\"%22%22=%22%22\"\"log%28%28x%2B3%29%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"9%28x-3%29%5E2\"\"%22%22=%22%22\"\"x%2B3\"\r\n" );
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document.write( "\"9%28x-3%29%28x-3%29\"\"%22%22=%22%22\"\"x%2B3\"\r\n" );
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document.write( "\"9%28x%5E2-6x%2B9%29\"\"%22%22=%22%22\"\"x%2B3\"\r\n" );
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document.write( "\"9x%5E2-54x%2B81\"\"%22%22=%22%22\"\"x%2B3\"\r\n" );
document.write( "\r\n" );
document.write( "\"9x%5E2-55x%2B78\"\"%22%22=%22%22\"\"0\"\r\n" );
document.write( "\r\n" );
document.write( "\"x\"\"%22%22=%22%22\"\"%28-b+%2B-+sqrt%28+b%5E2-4ac+%29%29%2F%282a%29+\"\r\n" );
document.write( "\r\n" );
document.write( "\"x\"\"%22%22=%22%22\"\"%28-%28-55%29+%2B-+sqrt%28+%28-55%29%5E2-4%289%29%2878%29+%29%29%2F%282%289%29%29+\"\r\n" );
document.write( "\r\n" );
document.write( "\"x\"\"%22%22=%22%22\"\"%2855+%2B-+sqrt%283025-2808%29%29%2F18+\"\r\n" );
document.write( "\r\n" );
document.write( "\"x\"\"%22%22=%22%22\"\"%2855+%2B-+sqrt%28217%29%29%2F18+\" \r\n" );
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document.write( "Using the +\r\n" );
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document.write( "\"x\"\"%22%22=%22%22\"\"3.873939992+\"\r\n" );
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document.write( "Using the -\r\n" );
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document.write( "\"x\"\"%22%22=%22%22\"\"2.237171119\"\r\n" );
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document.write( "Looking at the original equation:\r\n" );
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document.write( "\"2%2Alog%28%28x-3%29%29%2B2%2Alog%28%283%29%29\"\"%22%22=%22%22\"\"log%28%28x%2B3%29%29\"\r\n" );
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document.write( "We see that the answer \"x\"\"%22%22=%22%22\"\"2.237171119\"\r\n" );
document.write( "is an extraneous answer because the first term would be the\r\n" );
document.write( "log of a negative number, so the only solution is\r\n" );
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document.write( "\"x\"\"%22%22=%22%22\"\"3.873939992+\"\r\n" );
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document.write( "Your problem is exactly in every step like yours.  So all\r\n" );
document.write( "you have to do is use it as an exact model for yours.\r\n" );
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document.write( "O crap.  The other tutor did it for you.  Phooey! :)\r\n" );
document.write( "Edwin
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