Soal integral 3x pangkat 2 (4×-1)

[tex]3 {x}^{2} + 4x - 1 \: \: \: \: \: dx \\ \frac{3}{2 + 1} {x}^{2 + 1} + \frac{4}{1 + 1} {x}^{1 + 1} - 1x + c \\ \frac{3}{3} {x}^{3} + \frac{4}{2} {x}^{2} - x + c \\ {x}^{3} + {2x}^{2} - x + c[/tex]