document.write( "Question 288025: PlEASE help with polynomial long division.I've tried a million times and just cant get it. :/ (x^3+2x^2+3x-6)/(x-1) and (n^3-27)/(n-3) PlEASE show steps also =) Thanks in advance. \n" ); document.write( "
Algebra.Com's Answer #208753 by Theo(13342)![]() ![]() You can put this solution on YOUR website! Polynomial division is not much different than regular long division.\r \n" ); document.write( "\n" ); document.write( "Here's how you do it step by step.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Your dividend is the expression you want to divide into.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Your divisor is the expression you want to divide into the dividend.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You set up your equation as shown in step 1 of the following picture.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " ![]() \n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In step 1 you are dividing \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You subtract that from \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You bring down the \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You divide \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You multiply \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You get a remainder of \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You bring down the \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You divide \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You multiply \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You stop at step 4 because you have nothing left to divide into.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Your answer is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "To confirm that it's good, you multiply it by \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "That happens in steps 5 and 6 with the result shown in step 7.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Since you are able to get the same dividend that you started with, your division is good.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The result of your division is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Your original dividend is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "---------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You are always dividing the highest order of the divider into the highest order of the remainder of the dividend.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You are then always multiplying the whole divisor by the result of that division.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You are then subtracting the result of that multiplication from the remainder.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Once you get your remainder from the division, you are always bringing down the next lower order term from the original dividend.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Follow the steps through and you'll see how it was done.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now we'll go on to your next problem.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "That problem worked out by hand is shown below:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " ![]() \n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "With this problem, you are dividing \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Since you are missing lower order exponents in the dividend, you need to fill them in. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "That will make further processing easier.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now you are ready to begin.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You are always dividing the highest order of the divisor into the highest order of the remainder of the dividend.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "When you start the division, the remainder of the dividend is the dividend itself.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You Divide \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You get \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You multiply \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You get a remainder of \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You divide \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You multiply \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You get a remainder of \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You bring down the \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You get a remainder of \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You divide \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You place that above the \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You multiply \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You subtract \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Since there is nothing left to divide, you are done.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You then confirm the answer is correct by multiplying \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "That's done in steps 5 and 6 with the result shown in step 7.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Since you get the original dividend, the division is good.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The result of the division is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The original dividend is \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |