2014 · Q26
What is the highest common factor of 2x³ + x² − x − 2 and 3x³ − 2x² + x − 2?
Elementary MathematicsHCF and LCM
- Ax − 1
- Bx + 1
- C2x + 1
- D2x − 1
Explanation
x = 1 is a root of both polynomials (2 + 1 − 1 − 2 = 0 and 3 − 2 + 1 − 2 = 0), and the HCF is the linear factor (x − 1).