Question 9
The coefficient of $x^2$ in $(2x-3)(x^2-bx)$ is 9. Find the coefficient of $x$.
HKIMO 2026 THPT (Grades 10–12 shared) National Preliminary Set 05 Question 9
HKIMO · HKIMO 2026 THPT (Grades 10–12 shared) National Preliminary Set 05
HKIMO · HKIMO 2026 THPT (Grades 10–12 shared) National Preliminary Set 05