Respuesta :

Answer:

3x^3-3x^2+x-1

Step-by-step explanation:

(2x^3-5x^2+x)+(2x^2+x^3-1)

2x^3-5x^2+2x^2+x^3+x-1

2x^3+x^3-3x^2+x-1

3x^3-3x^2+x-1

Answer:

Is this what you are looking for?

Simplify the expression.

3 x^ 3 − 3 x^ 2 +x − 1

Step-by-step explanation: