Respuesta :

Answer:

2x^4 + x^3 - 5x^2 + 3x - 11.

Step-by-step explanation:

The standard form is where the exponents are in descending order.

-5x^2+2x^4-11+x^3+3x

= 2x^4 + x^3 - 5x^2 + 3x - 11.

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