If , what is ?
Answer and explanation
Correct answer: D. 33
- -3 is the constant term of the polynomial, ignoring the variable terms.
- 36 forgets to subtract the constant ().
- 15 makes a sign error on the middle term, evaluating as ().
- 36 forgets to subtract the constant ().
- 15 makes a sign error on the middle term, evaluating as ().
- Step 1: Substitute into : .
- Step 2: Compute the terms: so , and .
- Step 3: Combine: .
Answer
.
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