document.write( "Question 584131: I'm so confused, is there anyone that can help.\r
\n" );
document.write( "\n" );
document.write( "Solve: 5^2x-5∙5^x+6=0 \n" );
document.write( "
Algebra.Com's Answer #372701 by lwsshak3(11628) ![]() You can put this solution on YOUR website! I'm so confused, is there anyone that can help. \n" ); document.write( "Solve: 5^2x-5∙5^x+6=0 \n" ); document.write( "let u=5^x \n" ); document.write( "u^2=5^2x \n" ); document.write( ".. \n" ); document.write( "u^2-5u+6=0 \n" ); document.write( "(u-3)(u-2)=0 \n" ); document.write( ".. \n" ); document.write( "u=3=5^x \n" ); document.write( "take log of both sides \n" ); document.write( "xlog5=log3 \n" ); document.write( "x=log3/log5 \n" ); document.write( "x≈.6826 \n" ); document.write( "or \n" ); document.write( "u=2=5^x \n" ); document.write( "take log of both sides \n" ); document.write( "xlog5=log2 \n" ); document.write( "x=log2/log5 \n" ); document.write( "x≈.4307 \n" ); document.write( " |