Question

PLEASE HELP!! 20 points! Determine the operation that results in the simplified expression below.

Answer 1

The second choice is correct:
.. Q - P

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The constant term is all you really need to look at to figure this.
For P(x), the constant is +2.
For Q(x), the constant is -6.

For P+Q, the constant is -4 . . . . not correct
For Q-P, the constant is -8 . . . . correct
For PQ, the constant is -12 . . . . not correct
For P-Q, the constant is 8 . . . . .not correct