Solution - Simplification or other simple results

Step  1  :

 1.1     10 = 2•5

(10)² = (2•5)² = 2² • 5²

Equation at the end of step  1  :

  ((12 • (22•52)) -  17) +  3

Step  2  :

Multiplying exponents :

 2.1    2²  multiplied by  2²   = 2^{(2 + 2)} = 2⁴

Equation at the end of step  2  :

  ((24•3•52) -  17) +  3

Step  3  :

Final result :

  1186