You can
put this solution on YOUR website!I'm guessing that the problem first asked to simplify

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Maybe it would look better writing the terms in a more conventional order as

The variables are x, y, and z .
The coefficients is the numbers 6, 6, -3, -8, and 11, that are multiplying the powers of the variables.
The number -16 can be called the constant, or the independent term.