document.write( "Question 450244: I am wondering how do I factor \n" ); document.write( "81x^2-72x+16 \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "factoring\n" ); document.write( "81x^2-72x+16\n" ); document.write( "(9x-4)(9x-4)\n" ); document.write( " Note:SUM of the outside terms(-36x) and the inside terms(-36x) = -72x