document.write( "Question 762565: Solve the following equation.
\n" );
document.write( "|0 0 -1|
\n" );
document.write( "|3 x 0 | = x^2
\n" );
document.write( "|2 0 3 |\r
\n" );
document.write( "\n" );
document.write( "Please help! I have no idea how to do this! \n" );
document.write( "
Algebra.Com's Answer #464061 by MathLover1(20850)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "|0 0 -1| \n" ); document.write( "|3 x 0|= \n" ); document.write( "|2 0 3|\r \n" ); document.write( "\n" ); document.write( "use the rule\r \n" ); document.write( "\n" ); document.write( "|a b c| \n" ); document.write( "|d e f|= =a(ei-hf)-d(bi-hc)+g(bf-ec) \n" ); document.write( "|g h i| \r \n" ); document.write( "\n" ); document.write( "so, \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "check:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |