Question

find all the zeroes of 3x³ + 11x² + 12x + 4 = 0 given that (x + 2) is one of the factors​

Answer 1

Answer:

0

Step-by-step explanation:

x+2=0

x= -2

p(x) = 3x^3+11x^2+12x+4

p(-2) = 3(-2)^3+11(-2)^2+12(-2)+4

= - 3*8+11*4-24 +4

= -24+44-24+4

=-24-24+44+4

= -48+48

=