QUADRATIC

Kind of equation (9)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,184 — 2022-03-22 00:00:39
  6D: Kind of mathematical equation (9)
• Quick crossword No 16,019 — 2021-09-08 23:00:43
  1A: Kind of equation (9)