PENYELESAIAN

x + 5 = 2 + 4x

(x + 5)² = (2 + 4x)²

x² + 10x – 25 = 4x² + 16x + 16

-3x² – 26x – 41 =0

(-x + 1)(3x – 41) = 0

x = -1 Atau x = 41/3

Maka,Hp = {x = -1 Atau x = 41/3}