Jabarkan: (x + 3)(x + 7)
Soal
Jabarkan: (x + 3)(x + 7)
- A. x² + 21x + 10
- B. x² + 10x + 21
- C. x² + 4x + 21
- D. x² + 10x + 10
Jawaban
B. x² + 10x + 21
Pembahasan
Kalikan: (x + 3)(x + 7) = x² + 10x + 21.
Jabarkan: (x + 3)(x + 7)
B. x² + 10x + 21
Kalikan: (x + 3)(x + 7) = x² + 10x + 21.