Question

please someone solve this problem ​

Answer 1

Answer:

x = -4

a = -4 / 3

Step-by-step explanation:

x² + (4 - 3a) x - 12a = 0

x² + 4x - 3ax - 12a = 0

x (x + 4) - 3a (x + 4) = 0

(x - 3a) (x + 4) = 0

x - 3a = 0 or x + 4 = 0

x = 3a x = -4

3a = -4

a = -4 / 3

x = 3 × -4 / 3 = -4