document.write( "Question 34744: Using FOIL, simplify the expression \"(3x + 2)(3x - 2)\". Show that a particular factoring formula leads to the same answer. \n" ); document.write( "
Algebra.Com's Answer #21039 by QueenVoda(11)![]() ![]() ![]() You can put this solution on YOUR website! I hope this helps:\r \n" ); document.write( "\n" ); document.write( "(3X + 2)(3X-2) \n" ); document.write( "If you mutiply it out it comes to: \n" ); document.write( "9X^2 -6X +6X -4 \n" ); document.write( "Your -6X +6X cancel each other out. \n" ); document.write( "you will end up with: \n" ); document.write( "9X^2 -4 \n" ); document.write( "I don't mean to confuse you, but I look at it as your 9 and 4 are perfect squares. 3^2 and 2^2. If you break it down you will come back the the original equation. \n" ); document.write( "(3X + 2) (3X-2)\r \n" ); document.write( "\n" ); document.write( "I hope this helps\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |