20 Test file number 40

  20.1 Problem number 193
  20.2 Problem number 194
  20.3 Problem number 198
  20.4 Problem number 218
  20.5 Problem number 219
  20.6 Problem number 222
  20.7 Problem number 223
  20.8 Problem number 224
  20.9 Problem number 274
  20.10 Problem number 275

Test folder name:

test_cases/1_Algebraic_functions/1.2_Trinomial_products/1.2.2_Quartic/40_1.2.2.3-d+e_x^2-^m-a+b_x^2+c_x^4-^p