#" "x^3+6x^2-2x+3#
#color(magenta)(x^2)(x-3) ->ul(x^3-3x^2larr" Subtract")#
#" "0+9x^2-2x+3#
#color(magenta)(9x)(x-3)->" "ul(9x^2-27xlarr" Subtract")#
#" "0+25x+3#
#color(magenta)(25)(x-3)->" "ul(25x-75larr" Subtract")#
#" "color(magenta)(0+78 larr" Remainder")#
#color(magenta)( x^2+9x+25+78/(x-3))#