document.write( "Question 154388This question is from textbook Advanced Mathematics
\n" );
document.write( ": (2x+y) + (3-5x)i = 1 -7i solve for x & y\r
\n" );
document.write( "\n" );
document.write( "I lumped the i's and the numbers together then squared everything to get\r
\n" );
document.write( "\n" );
document.write( "29x^2+4xy-104x+y^2-2y=-101\r
\n" );
document.write( "\n" );
document.write( "The answer is x=2 & y=-3, but I can't get there. \n" );
document.write( "
Algebra.Com's Answer #113676 by vleith(2983) ![]() You can put this solution on YOUR website! Collecting like terms is the correct first step \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For a complex number equal zero, both the real and the imaginary parts must be 0. \n" ); document.write( "So \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substituting back into the real part \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Make sense now? \n" ); document.write( " |