Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "x2"   was replaced by   "x^2". 

Step  1  :

Equation at the end of step  1  :

  2x215 • x28

Step  2  :

Multiplying exponential expressions :

 2.1    x²¹⁵ multiplied by x²⁸ = x^{(215 + 28)} = x²⁴³

Final result :

  2x243