10 Test file number 18

  10.1 Problem number 1
  10.2 Problem number 2
  10.3 Problem number 3
  10.4 Problem number 16
  10.5 Problem number 17
  10.6 Problem number 18
  10.7 Problem number 26
  10.8 Problem number 27
  10.9 Problem number 28

Test folder name:

test_cases/1_Algebraic_functions/1.1_Binomial_products/1.1.1_Linear/18_1.1.1.7_P-x-a+b_x-^m-c+d_x-^n-e+f_x-^p-g+h_x-^q