101 Labs - Cisco CCNA: Hands-on Practical Labs for the 200-301 - Implementing and Administer

101 Labs - Cisco CCNA: Hands-on Practical Labs for the 200-301 - Implementing and Administer

Matematika tentukan nilai x1 dan x2 dari:

Fx = -1²-6x-9=0​

tentukan nilai x1 dan x2 dari:

Fx = -1²-6x-9=0​

Jawab: x1 = 3 dan x2 = -1

Penjelasan dengan langkah-langkah:

x²-2x-3 = 0

(x-3)(x+1) = 0

x1 = 3 dan x2 = -1