Verified Answer :

Hagrid

In writing the standard form, the order of the exponents of the terms must be decreasing from left to right. Looking at the first term on the left, the exponent of x is 3. Looking at the third term from the left, the exponent of x is 1. Therefore, the missing exponent on the x-term must be 2.

Short answer: 2

Why?

The missing x term is between an exponent of 3 and 1. Because this is standard form, we put the biggest exponent first and then go down the list. Therefore, it must be 2.

Good luck!

-RxL

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