document.write( "Question 1110630: Topic. Solving exponential equation \r
\n" );
document.write( "\n" );
document.write( "Solve for x giving 16^x-5*8^x=0
\n" );
document.write( "(Please help me solve this question)
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #725624 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Solve for x giving [sic] 16^x-5*8^x=0 \n" ); document.write( "(Please help me solve this question) \n" ); document.write( "----- \n" ); document.write( "Solve for x given 16^x-5*8^x=0 \n" ); document.write( "(Please help me solve this question) - equations are solved. Questions are answered. \n" ); document.write( "================= \n" ); document.write( "16^x - 5*8^x = 0 \n" ); document.write( "--- \n" ); document.write( "(2^4)^x - 5*(2^3)^x = 0 \n" ); document.write( "2^(4x) - 5*2^(3x) = 0 \n" ); document.write( "2^(3x)*(x - 5*2) = 0 \n" ); document.write( "--- \n" ); document.write( "2^(3x) = 0 ------- not possible for real values of x \n" ); document.write( "or \n" ); document.write( "(x - 5*2) = 0 \n" ); document.write( "x - 10 = 0 \n" ); document.write( "x = 10 \n" ); document.write( " |