Can somebody please help me

The input text which should be typed in to the field in order to get the desired result as required in the task content is; x^2 + 4sqrt(x+1)/5 - x^3.
Hence, it follows from the guidelines for writing fractions, square roots and exponents in the task content that the required input text is;
x^2 + 4sqrt(x+1)/5 - x^3.
On this note, it follows that, upon filling the input field with the text above, the required expression would be displayed as it's output.
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