Respuesta :

gmany
The volume of the rectangular prism:

V = length × width × height

[tex]60x^3+145x^2+70x=5x(12x^2+29x+14)=5x(12x^2+21x+8x+14)\\\\=5x[3x(4x+7)+2(4x+7)]=5x(4x+7)(3x+2)[/tex]

Answer: [tex]A.\ 5x(4x+7)(3x+2)[/tex]
The correct answer would be A.