document.write( "Question 239713: (3+ root negative four) (4+ root negative 1)\r
\n" );
document.write( "\n" );
document.write( "i made the root negative four in the first parenthesis i root 2 and the negative root i in the second parenthesis 4i. im not sure what to do next thanks \n" );
document.write( "
Algebra.Com's Answer #175860 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! (3+ root negative four) (4+ root negative 1) \n" ); document.write( "i made the root negative four in the first parenthesis i root 2 and the negative root i in the second parenthesis 4i. im not sure what to do next thanks \n" ); document.write( "-------------------------------------------------------- \n" ); document.write( "Good start: \n" ); document.write( "(3 + 2i)(4 + i) \n" ); document.write( "--- \n" ); document.write( "Use FOIL to get: \n" ); document.write( "F: 3*4 = 12 \n" ); document.write( "O: 3i \n" ); document.write( "I: 8i \n" ); document.write( "L: -2 \n" ); document.write( "------------------- \n" ); document.write( "Combine to get: 10+11i \n" ); document.write( "============================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |