22 Test file number 39

  22.1 Problem number 853
  22.2 Problem number 861
  22.3 Problem number 868
  22.4 Problem number 870
  22.5 Problem number 883
  22.6 Problem number 892

Test folder name:

test_cases/1_Algebraic_functions/1.2_Trinomial_products/1.2.2_Quartic/39_1.2.2.2-d_x-^m-a+b_x^2+c_x^4-^p