(1/2)^x^2 < (1/8)^6-x

Bab Eksponensial
Matematika SMP Kelas IX

^ = pangkat

(1/2)^(x²) < (1/8)^(6 - x)
(1/2)^(x²) < ((1/2)^3)^(6 - x)
x² > 3(6 - x)
x² > 18 - 3x
x² + 3x - 18 > 0
(x + 6) (x - 3) > 0
x + 6 < 0
x < -6

x - 3 > 0
x > 3

maka, x < -6 atau x > 3