Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "x7"   was replaced by   "x^7". 

Step  1  :

Equation at the end of step  1  :

  5x212 • x7

Step  2  :

Multiplying exponential expressions :

 2.1    x²¹² multiplied by x⁷ = x^{(212 + 7)} = x²¹⁹

Final result :

  5x219