{"result":{"text":"table attributes columnalign left end attributes row cell open parentheses 8 over x squared plus 6 over x plus 4 close parentheses to the power of 10 equals sum from r equals 0 to 20 of a subscript r open parentheses 2 over x close parentheses to the power of r end cell row cell rightwards double arrow 2 to the power of 10 left parenthesis 2 x squared plus 3 x plus 4 right parenthesis to the power of 10 equals sum from r equals 0 to 20 of a subscript r 2 to the power of r x to the power of 20 minus r end exponent end cell row cell rightwards double arrow sum from r equals 0 to 20 of a subscript r x to the power of r equals sum from r equals 0 to 20 of a subscript r 2 to the power of r minus 10 end exponent x to the power of 20 minus r end exponent end cell end table"},"status":"ok"}