document.write( "Question 417343: product of (3c-5d)(2c+4d) \n" ); document.write( "
\n" ); document.write( "Hi\n" ); document.write( "product of \n" ); document.write( " (3c-5d)(2c+4d)\n" ); document.write( " 6c^2 + 2cd -20d^2\n" ); document.write( "Note:SUM of the inner product(-10cd) and the outer product(12x) = 2x\n" ); document.write( "