document.write( "Question 20519: (4x+3)(5x-4) \n" ); document.write( "
Algebra.Com's Answer #9874 by pwac(253)\"\" \"About 
You can put this solution on YOUR website!
(4x+3)(5x-4)
\n" ); document.write( "you need to multiply these expressions together
\n" ); document.write( "start with the 4x
\n" ); document.write( "4x X 5x=20\"x%5E2\"
\n" ); document.write( "4x X -4=-16x
\n" ); document.write( "now do same with the 3
\n" ); document.write( "3 X 5x=15x
\n" ); document.write( "3 X -4=-12
\n" ); document.write( "now put these terms together
\n" ); document.write( "\"20x%5E2-16x%2B15x-12\" this gives final expression of
\n" ); document.write( "\"20x%5E2-x-12\"
\n" ); document.write( "Pete
\n" ); document.write( "
\n" ); document.write( "
\n" );