Factorise 4x^2-8x-5.

  1. (2x+5)(2x+1)
  2. (2x-5)(2x+1)
  3. (2x+5)(2x-1)
  4. (2x+1)(2x-5)
Answer

B) (2x-5)(2x+1)

Split the middle term using two numbers with product 4 (-5) = -20 and sum -8; this gives 4x^2-8x-5 = (2x-5)(2x+1). SLO M-09-A-18 · Understanding

Mathematics MCQ · More Factorization MCQs · Practise