Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "m4"   was replaced by   "m^4". 

Step  1  :

Equation at the end of step  1  :

  2m4 • m

Step  2  :

Multiplying exponential expressions :

 2.1    m⁴ multiplied by m¹ = m^{(4 + 1)} = m⁵

Final result :

  2m5