document.write( "Question 619407: log(x+2)to base 3+log(10-x)to base 3-3=0 \n" ); document.write( "

Algebra.Com's Answer #389627 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( "  3^3 = (x+2)(10-x) = 10x + 20 - x^2 - 2x
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document.write( " 27 = -x^2 + 8x + 20
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document.write( "   0 = -x^2 + 8x -7
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document.write( "   0 = x^2 - 8x + 7
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document.write( "      (x-7)(x-1) = 0 
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document.write( "        x = 7,1 \n" );
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