4x²+12x+5x=0 jelaskan carannya

Jawaban:

4x² + 12 + 5 = 0

(2x + 5) • (2x + 1) = 0

(2x + 5) = 0

2x = -5

x = -5/2

atau

(2x + 1) = 0

2x = -1

x = -1/2

Jadi, HP = {-1/2 , -5/2}