Help please and thanks !!

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Step-by-step explanation:

JHH+[]

x^3 + 3 (the third option)

Step-by-step explanation:

In this question, we are asked to find the missing value inside the parenthesis.

x^8 +3x^5 = x^5()

We see that x^5 is factored out of the original expression, so we can obtain the answer by dividing both terms by x^5.

x^8 / x^5 = x^3

3x^5/ x^5 = 3

So we have: x^3 + 3.

Let me know if this helps!