Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "x4"   was replaced by   "x^4". 

Step  1  :

Equation at the end of step  1  :

  5x242 • x49

Step  2  :

Multiplying exponential expressions :

 2.1    x²⁴² multiplied by x⁴⁹ = x^{(242 + 49)} = x²⁹¹

Final result :

  5x291