19 Test file number 35

  19.1 Problem number 65
  19.2 Problem number 66
  19.3 Problem number 67
  19.4 Problem number 267
  19.5 Problem number 529
  19.6 Problem number 604
  19.7 Problem number 794

Test folder name:

test_cases/1_Algebraic_functions/1.2_Trinomial_products/1.2.1_Quadratic/35_1.2.1.4-d+e_x-^m-f+g_x-^n-a+b_x+c_x^2-^p