{"result":{"text":"Let space f open parentheses x close parentheses equals open curly brackets table attributes columnalign left columnspacing 1.4ex end attributes row cell fraction numerator open parentheses x cubed plus x squared minus 16 x plus 20 close parentheses over denominator open parentheses x minus 2 close parentheses squared end fraction comma end cell cell if space x not equal to 2 end cell row cell k comma space end cell cell if space x equals 2 end cell end table close"},"status":"ok"}