Question 41
PolynomialsWhich of the following is a factor of 2 − x − x2?
- A.1 − x
- B.1 + x
- C.x − 1
- D.2 − x
Show the answer and explanation
Answer: A (1 − x)
Explanation
2 − x − x2 = (1 − x)(2 + x), so 1 − x is a factor.
Which of the following is a factor of 2 − x − x2?
Answer: A (1 − x)
2 − x − x2 = (1 − x)(2 + x), so 1 − x is a factor.