Blast 5

Blast 5

Factorise the following:

  1. 4x + 8
  2. 3x – 12
  3. 9 + 6x
  4. 4ab + 2a
  5. 12x2y – 9xy3
  6. x2 + 5x + 6
  7. x2 + 2x – 8
  8. x2 – 8x + 15
  9. 2x2 + 6x + 4
  10. x2 + x + 12

Answers:

  1. 4(x + 2)
  2. 3(x – 4)
  3. 3(2x + 3)
  4. 2a(2b + 1)
  5. 3xy(4x – 3y2)
  6. (x + 3)(x + 2)
  7. (x + 4)(x – 2)
  8. (x – 3)(x – 5)
  9. (2x + 4)(x + 1)
  10. (4 – x)(x + 3)