document.write( "Question 1015407: Solve for x
\n" ); document.write( "log(base 4) x + log(base 4) (x-2) = 1 \n" ); document.write( "

Algebra.Com's Answer #631767 by josgarithmetic(39626) $\"\"$ $\"About$

You can put this solution on YOUR website!
Pure text , log(4,x)+log(4,(x-2))=1\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Adding the triple-braces rendering tags,
\n" ); document.write( " $\"log%284%2Cx%29%2Blog%284%2C%28x-2%29%29=1\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"log%284%2C%28x%28x-2%29%29%29=1\"$
\n" ); document.write( " $\"log%284%2C%28x%5E2-2x%29%29=1\"$
\n" ); document.write( " $\"4%5E1=x%5E2-2x\"$
\n" ); document.write( " $\"x%5E2-2x=4\"$
\n" ); document.write( " $\"x%5E2-2x-4=0\"$ ----not factorable\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"x=%282%2B-+sqrt%28%28-2%29%5E2-4%2A1%2A%28-4%29%29%29%2F2\"$
\n" ); document.write( " $\"x=%282%2B-+sqrt%2820%29%29%2F2\"$
\n" ); document.write( " $\"x=%282%2B-+2%2Asqrt%285%29%29%2F2\"$
\n" ); document.write( " $\"highlight%28x=1%2B-+sqrt%285%29%29\"$
\n" ); document.write( " \n" ); document.write( "

\n" );