document.write( "Question 1210236: 2^2x-3 — 2^2x-2 — 1 = 0 \n" ); document.write( "
\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "let \r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "There is no real solution. Do you want complex solution(s)?\r\n" ); document.write( "\r\n" ); document.write( "Normally if complex solutions are wanted, the variable is z, not x.\r\n" ); document.write( "\r\n" ); document.write( "Edwin