Respuesta :

The resolvent is:
 x = (- b +/- root (b2 - 4ac)) / 2a
 To apply it we must have a polynomial of the form:
 ax2 + bx + c = 0
 Where,
 One side of the equation is zero.
 The polynomial must be only grade 2.
 The coefficient a must be different from zero.
 Answer:
 
options: B, C, D are correct
The correct answers are B, C and D.