14 Test file number 26

  14.1 Problem number 18
  14.2 Problem number 167
  14.3 Problem number 290
  14.4 Problem number 352
  14.5 Problem number 355
  14.6 Problem number 362
  14.7 Problem number 365
  14.8 Problem number 369
  14.9 Problem number 371
  14.10 Problem number 372
  14.11 Problem number 373
  14.12 Problem number 374

Test folder name:

test_cases/1_Algebraic_functions/1.1_Binomial_products/1.1.3_General/26_1.1.3.3-a+b_x^n-^p-c+d_x^n-^q