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:
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Simplify the expression.
3 x^ 3 − 3 x^ 2 +x − 1
Step-by-step explanation: