Answer:
2x^4 + x^3 - 5x^2 + 3x - 11.
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.
9.5m questions
12.2m answers