document.write( "Question 20641: Factor (f+4)(2f-3)+(f+4)(f+4) completely \n" ); document.write( "
\n" ); document.write( "Factor (f+4)(2f-3) + (f+4)(f+4) completely\n" ); document.write( "\n" ); document.write( "Observe the two factors I've colored red\r\n" ); document.write( "\n" ); document.write( "(f+4)(2f-3) + (f+4)(f+4)\r\n" ); document.write( "\n" ); document.write( "You can factor out that red factor (f+4) because it is common to\n" ); document.write( "both terms. That will leave the two black factors inside the blue\n" ); document.write( "brackets:\r\n" ); document.write( "\n" ); document.write( "(f+4)[(2f-3) + (f+4)]\r\n" ); document.write( "\n" ); document.write( "Now simplify by removing parentheses inside the blue brackets\r\n" ); document.write( "\n" ); document.write( "(f+4)[2f-3+f+4]\r\n" ); document.write( "\n" ); document.write( "(f+4)[3f+1]\r\n" ); document.write( "\n" ); document.write( "Change the blue brackets to black parentheses and color the red \n" ); document.write( "factor black:\r\n" ); document.write( "\n" ); document.write( "(f+4)(3f+1)\r\n" ); document.write( "\n" ); document.write( "Edwin\n" ); document.write( "AnlytcPhil@aol.com\r\n" ); document.write( "\n" ); document.write( "