document.write( "Question 628523: factorise by using factor theorum :- y^3-7y+6 (please show its steps also) \n" ); document.write( "
Algebra.Com's Answer #395686 by lwsshak3(11628) ![]() You can put this solution on YOUR website! factorise by using factor theorum :- y^3-7y+6 (please show its steps also) \n" ); document.write( "** \n" ); document.write( "f(y)=y^3-7y+6\r \n" ); document.write( "\n" ); document.write( "Use rational roots theorem to solve: (with synthetic division) \n" ); document.write( "...0..|...-1......0......-7.......6............ \n" ); document.write( "...1..|.....1......1......-6......0 (1 is a root) \n" ); document.write( "f(y)=(y-1)(y^2+y-6) \n" ); document.write( "f(y)=(y-1)(y+3)(y-2) \n" ); document.write( " |