3 Test file number 13

  3.1 Problem number 881
  3.2 Problem number 882
  3.3 Problem number 889
  3.4 Problem number 890
  3.5 Problem number 914
  3.6 Problem number 915
  3.7 Problem number 916
  3.8 Problem number 920
  3.9 Problem number 921
  3.10 Problem number 922

Test folder name:

test_cases/1_Algebraic_functions/1.1_Binomial_products/1.1.1_Linear/13_1.1.1.2-a+b_x-^m-c+d_x-^n