Question

Se cumple que: (a+1) x3 + (b–1) x2 + (c+2) x + d – 1 ≡ 0 Halle:
bd ac

Answer 1

a+1 = 0                     bd (ac) = 0 (2 ) = 0         Espero haberte ayudado :)
a= -1

b-1 =0
b = 0

c+2 = 0
c= -2

d-1 = 0 
d = 1