Persaman dari 2x (pangkat 2) + 5x + 2 = 0

→ 2x² + 5x + 2 = 0

(2x + 1)(x + 2) = 0

Akar – Akar :

→ 2x = -1

    x = -1/2

→ x = -2

Jawab =

2x² + 5x + 2

= (2x +2)(x+)

2x + 2 = 0

2x = -2

x = -1

atau,

x + 1 = 0

x = -1