Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "x5"   was replaced by   "x^5".  2 more similar replacement(s).

Step  1  :

Multiplying exponential expressions :

 1.1    x¹⁰ multiplied by x⁵ = x^{(10 + 5)} = x¹⁵

Final result :

  x15