Solution - Simplification or other simple results

Step  1  :

 1.1     39 = 3•13

(39)² = (3•13)² = 3² • 13²

Equation at the end of step  1  :

  (892) +  (32•132)

Step  2  :

Equation at the end of step  2  :

  892 +  (32•132)

Step  3  :

Final result :

  9442