soal mtk cara cariknya

Mapel : Matematika

Jawaban:

[tex] 3^{x^2 + 4x} < 3^{-4} \\ x^2 + 4x < - 4 \\ x^2 + 4x + 4 < 0 \\ (x+2)(x+2) < 0 \\ - 2 > x [/tex]

Semoga membantu...