9 Test file number 33

  9.1 Problem number 841
  9.2 Problem number 853
  9.3 Problem number 854
  9.4 Problem number 1957
  9.5 Problem number 1958
  9.6 Problem number 1966
  9.7 Problem number 1967
  9.8 Problem number 1968
  9.9 Problem number 1969

Test folder name:

test_cases/1_Algebraic_functions/1.2_Trinomial_products/1.2.1_Quadratic/33_1.2.1.2-d+e_x-^m-a+b_x+c_x^2-^p