document.write( "Question 35830: 15cd-16+12c-20d = \n" ); document.write( "
Algebra.Com's Answer #22004 by rapaljer(4671)![]() ![]() You can put this solution on YOUR website! I'm assuming that you would like to factor this? \n" ); document.write( "15cd-16+12c-20d \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Rearrange the terms and group the first two and the second two terms together:\r \n" ); document.write( "\n" ); document.write( "15cd+ 12c - 20d - 16\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "From the first two terms take out a common factor of 3c, and from the second two terms take out a common factor of -4, and hope for the best--a common factor must result, or this doesn't work!!\r \n" ); document.write( "\n" ); document.write( "15cd+ 12c - 20d - 16 \n" ); document.write( "3c(5d+ 4) -4(5d+ 4) \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Glory Hallelujah!! We must be living right!! We DO have a common factor of (5d+4).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Take out the common factor of (5d+4):\r \n" ); document.write( "\n" ); document.write( "(5d+4)(3c-4)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "R^2 at SCC \n" ); document.write( " \n" ); document.write( " |