Question 11
PolynomialsDivide a3x − 26a2x + 156ax − 216 by a2x − 24ax + 108
- A.ax − 18
- B.ax − 6
- C.ax − 2
- D.ax + 2
Show the answer and explanation
Answer: C (ax − 2)
Explanation
Let u = ax. Then (u − 2)(u2 − 24u + 108) = u3 − 26u2 + 156u − 216, so the quotient is ax − 2.