document.write( "Question 372076: how do i solve log base 3 (x-8)+ log base 3 x =2 \n" ); document.write( "

Algebra.Com's Answer #265054 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi,
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document.write( "log base3 (x-8)+ log base 3 x = 2\r
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document.write( " = 2
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document.write( "3^2 = (x-8)x
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document.write( "solving for x
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document.write( "9 = x^2 - 8x
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document.write( "0 = x^2 - 8x - 9
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document.write( "factoring
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document.write( "(x-9)(x+1) = 0
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document.write( "(x-9)= 0  x = 9
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document.write( "(x+1)= 0  x = -1 Cannot use 
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document.write( "x = 9 \n" );
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