document.write( "Question 891513: Find the rational solution of x^3+3x^2+x+5=0 show your use of the rational zero theorem \n" ); document.write( "
Algebra.Com's Answer #539847 by lwsshak3(11628) ![]() You can put this solution on YOUR website! Find the rational solution of x^3+3x^2+x+5=0 show your use of the rational zero theorem \n" ); document.write( "*** \n" ); document.write( "...0...|...1......3......1......5 \n" ); document.write( "...1...|...1......4......5......10 ( 1 is upper bound(all numbers>0)) \n" ); document.write( "================ \n" ); document.write( "..-1...|..1......2....-1......6 \n" ); document.write( "..-2...|..1......1....-1......7 \n" ); document.write( "..-3...|..1......0.....1.......2 \n" ); document.write( "..-4...|..1.....-1....5....-15 (-4 is lower bound(numbers alternate in sign)(root is between -3 and -4(change in sign of last number)) \n" ); document.write( " |