Question

$$\left. \begin{array} { l } { ( 5 x ^ { 3 } - 6 x ^ { 3 } y + 4 y ^ { 2 } - 8 ) ( 3 x ^ { 2 } + 5 x + 2 ) } \end{array} \right.$$

Evaluate

$\left(x+1\right)\left(3x+2\right)\left(5x^{3}+4y^{2}-6yx^{3}-8\right)$