tolong jawab kk soal nya besok di kumpul

x² + 6x + c = 0
(x + 2)(x + 4)

(x + 2) = 0
x1 = -2

(x + 4)
x2 = -4

x1² - x2² = -12
-2² - (-4)² = -12
4 - 16 = -12

Maka C = 2 x 4 = 8