WAEC Mathematics 2014 Question 36

Question 36

Algebraic Expressions

If 2/(x − 3) − 3/(x − 2) is equal to P/((x − 3)(x − 2)), find P.

  1. A.−x − 5
  2. B.−(x + 3)
  3. C.5x − 13
  4. D.5 − x
Show the answer and explanation

Answer: D (5 − x)

Explanation

2(x − 2) − 3(x − 3) = 2x − 4 − 3x + 9 = 5 − x.