document.write( "Question 1033979: If ax^3 + 2x^2 + 5 is exactly divisible by x+1,what is the value of a?\r
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Algebra.Com's Answer #648564 by Theo(13342)![]() ![]() You can put this solution on YOUR website! i believe it will be 7.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "i used synthetic division to figure it out.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "my worksheet is shown here. \n" ); document.write( "look below the worksheet for more comments. \n" ); document.write( " ![]() \n" ); document.write( "if you need a tutorial on how to do synthetic divison, look here. \n" ); document.write( "http://www.mesacc.edu/~scotz47781/mat120/notes/divide_poly/synthetic/synthetic_division.html \n" ); document.write( "i set it up for synthetic division with the coefficient of the leading term as a. \n" ); document.write( "i then went through the process and wound up with 5 + (2-a) as the last result. \n" ); document.write( "this last result is the remainder. \n" ); document.write( "i then set it to 0 and solved for a to get a = 7. \n" ); document.write( "i then testing that out to see if i wind up with a remainder of 0, which i did. \n" ); document.write( "that's your solution. \n" ); document.write( "a = 7. \n" ); document.write( " \n" ); document.write( " |