2 answers:
Hi there!

:-
It tells us that, When multiplying two powers that have the same base, you can add the exponents.
Then,
According to th' question :-
x + x⁶
⇒ x¹ + x⁶
⇒ x¹ ⁺ ⁶
⇒ x⁷
Hence,
The required answer is x⁷
~ Hope it helps!
<u>Answer</u>

<u>Detailed Explanation and Solution </u>
You would only need to combine like terms in this problem.

Therefore, the answer would be 
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