Jabarkan: (x + 2)(x² - 3x + 1)
Soal
Jabarkan: (x + 2)(x² - 3x + 1)
- A. x³ + x² - 5x + 2
- B. x³ - x² + 5x + 2
- C. x³ - 5x² - x + 2
- D. x³ - x² - 5x + 2
Jawaban
D. x³ - x² - 5x + 2
Pembahasan
Jabarkan: (x + 2)(x² - 3x + 1) = x³ - 3x² + x + 2x² - 6x + 2 = x³ - x² - 5x + 2.