Look at the given expression,

The first rule to remember is this: constant coefficients (such as the 4 in front of the x, the (1/2) in front of the x2, and the 3 in front of the x1.1) always "go along for the ride." In other words, we can just copy them over when taking the antiderivative. Therefore, the first term is

Now look at the second term.

is the same as

That takes care of the second term. The third term is

Finally, the last term is

Putting them all together gives:

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