Respuesta :

Answer:

The equivalent expression is 3x^5-9x^3-2

Step-by-step explanation:

To find the equivalent expression, we need to

open up the brackets;

Thus;

x^2(3x^3 -2x) - (7x^3 + 2)

= 3x^5 -2x^3 -7x^3 -2

= 3x^5 -9x^3-2