document.write( "Question 623012: (7x+4)(3x+9) \n" ); document.write( "
Algebra.Com's Answer #391817 by lenny460(1073)![]() ![]() You can put this solution on YOUR website! (7x + 4)(3x + 9)\r \n" ); document.write( "\n" ); document.write( "Multiply using the FOIL Method:\r \n" ); document.write( "\n" ); document.write( "7x * 3x = 21x^2\r \n" ); document.write( "\n" ); document.write( "7x * 9 = 63x\r \n" ); document.write( "\n" ); document.write( "4 * 3x = 12x\r \n" ); document.write( "\n" ); document.write( "4 * 9 = 36\r \n" ); document.write( "\n" ); document.write( "21x^2 + 63x + 12x + 36\r \n" ); document.write( "\n" ); document.write( "Combine like terms:\r \n" ); document.write( "\n" ); document.write( "63x + 12x = 75x\r \n" ); document.write( "\n" ); document.write( "The Answer:\r \n" ); document.write( "\n" ); document.write( "21x^2 + 75x + 36\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "obuong3@aol.com \n" ); document.write( " |