Respuesta :

Answer:

[tex]- 4x {}^{3 } + 8x {}^{2} - 5x + 12 = 0[/tex]

Step-by-step explanation:

The Standard Form Of Cubic Polynomial Is

[tex] = ax {}^{3} + bx {}^{2} + cx + d = 0[/tex]

so,

the standard form of given polynomial is

[tex] - 4x {}^{3 } + 8x {}^{2} - 5x + 12[/tex]