document.write( "Question 640486: Complete the trinomial so it is a perfect square. 16x^2 + ___+ 25 \n" ); document.write( "
Algebra.Com's Answer #403221 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Take the square root of 16 to get 4. Take the square root of 25 to get 5.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now multiply 4 and 5 to get 20. Double this to get 40.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So 40x is the missing term, which means that\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "16x^2 + _40x_+ 25\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "is a perfect square trinomial. \n" ); document.write( " |