Solution - Simplification or other simple results

Step  1  :

            11
 Simplify   ——
            60

Equation at the end of step  1  :

                        11
  c2s • (ca2rtn • (0 -  ——))
                        60

Step  2  :

Multiplying exponential expressions :

 2.1    c² multiplied by c¹ = c^{(2 + 1)} = c³

Final result :

  -11c3sa2rtn
  ———————————
      60