Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

  (0 -  (8 • (n3))) • 5n7
 Step  2  :

Equation at the end of step  2  :

  (0 -  23n3) • 5n7

Step  3  :

Multiplying exponential expressions :

 3.1    n³ multiplied by n⁷ = n^{(3 + 7)} = n¹⁰

Final result :

  ( -23•5n10)