passwella.
Menu

JAMB Mathematics 1985 Question 19

Question 19

Algebraic Expressions

Factorize abx2 + 8y − 4bx − 2axy

  1. A.(ax − 4)(bx − 2y)
  2. B.(ax + b)(x − 8y)
  3. C.(ax − 2y)(by − 4)
  4. D.(abx − 4)(x − 2y)
  5. E.(bx − 4)(ax − 2y).
Show the answer and explanation

Answer: A ((ax − 4)(bx − 2y))

Explanation

Group the terms: bx(ax − 4) − 2y(ax − 4) = (ax − 4)(bx − 2y).