Question 8
Factorise $x^4+2x^3-9x^2-2x+8$.
HKIMO 2019 THPT (Grades 10–12 shared) National Final (Heat) Set 02 Question 8
HKIMO · HKIMO 2019 THPT (Grades 10–12 shared) National Final (Heat) Set 02
HKIMO · HKIMO 2019 THPT (Grades 10–12 shared) National Final (Heat) Set 02