Persamaan (8x)²=16 dipenuhi oleh

(8x²) = 16
8x = ± 4
☞ 8x = 4
x = 4/8
x = 1/2
☞ 8x = -4
x = - 4/8
x = - 1/2

HP : { - 1/2, 1/2 }

(8x)^2 = 16
64x^2 = 16
x^2 = 16/64
x = V(16/64)
x = +- 4/8
x = 1/2 atau x = - 1/2

Jadi HPnya adalah {-1/2 , 1/2}