Question

Yg bisa tolong dijawab dong...

Answer 1

1. Terbuka ke atas a > 0 (A)

2. sb simetri: x = -b/2a
= -14/4
= -7/2 (B)

3. Persamaan Kuadrat baru
x² - (2 + 3)x + (2)(3) = 0
x² - 5x + 6 = 0 (A)

4. x² + 7x + 12 = 0
(x + 2)(x + 5) = 0
{-2,-5}