Question

Factorise the question
Please its urgent
Mark it as brainliest

Answer 1

see
split 3x^3 as 2x^3 + x^3

so x^4 + 2x^3 + x^3 + 2x^2 -3x +3=0
x^3(x+2) + x^2(x+2) = -3(x+1)
(x^3+x^2) (x+2) =-3(x+1)

so one of the zeros must be (-1)