Nilai X yg memenuhi persamaan 5ײ-4×+3=7ײ-4x+3

5^(x² – 4x + 3) = 7^(x²- 4x + 3)
x² – 4x + 3 = 0
(x – 3)( x – 1) = 0
x  = 3  atau x = 1