Respuesta :
Answer:
[tex]4\left(x-5\right)\left(3x^2+1\right)[/tex]
Step-by-step explanation:
[tex]12x^3-60x^2+4x-20[/tex]
[tex]4\times \:3x^3-4\times \:15x^2+4x-4\times \:5[/tex]
[tex]4\left(3x^3-15x^2+x-5\right)[/tex]
[tex]4\left(3x^3-15x^2\right)+\left(x-5\right)[/tex]
[tex]4\left(x-5\right)\left(3x^2+1\right)[/tex]
Answer:
[tex] (12 {x}^{2} + 4)(x - 5) \\ [/tex]
Step-by-step explanation:
[tex]12 {x}^{3} - 60 {x}^{2} + 4x - 20 \\ 12 {x}^{2} (x - 5) + 4(x - 5) \\ (12 {x}^{2} + 4)(x - 5)[/tex]