(x-2)^x'2-2x-15 = 1 adalah?

Kelas 10 Matematika
Bab Eksponensial

(x - 2)^(x² - 2x - 15) = 1
(x - 2)^(x² - 2x - 15) = (x - 2)^0
x² - 2x - 15 = 0
(x - 5) (x + 3) = 0
x - 5 = 0
x = 5

x + 3 = 0
x = -3

x - 2 = 1
x = 1 + 2
x = 3

2 - x = 1
x = 2 - 1
x = 1

{ -3, 1, 3, 5 }