Question: int() not evaluating (Maple 2020)

Hi guys! I'm having trouble using int with a few expressions, for example:

is returning

however simpler expressions such as

int(x^2 + x, x)

or int(x/2 + 1/2, x)

are working correctly and returning 

respectively. I'm using Maple 2020 in worksheet mode using Math 2D Input/Output.

Here's my screen, any help would be much appreciated thanks!

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