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Expand and Factorise (DOTS/PS)
Contributed by: Mazzarolo
  • 1. Expand (x+3)2
A) x2+6
B) x2+6x+6
C) x2+6x+9
D) x2+9
  • 2. Factorise x2+6x+9
A) (x+9)(x-9)
B) (x+3)(x-3)
C) (x+3)2
D) (x+9)2
  • 3. Expand (x+4)2
A) x2+8
B) x2+8x+16
C) x2+16
D) x2+8x+8
  • 4. Factorise x2+8x+16
A) (x+4)2
B) (x+8)(x-8)
C) (x+8)2
D) (x+4)(x-4)
  • 5. Expand (x-3)2
A) x2-6x+6
B) x2-6x+9
C) x2-6x-9
D) x2-9
  • 6. Factorise x2-6x+9
A) (x+9)(x-9)
B) (x-9)2
C) (x+3)(x-3)
D) (x-3)2
  • 7. Expand (x-4)2
A) x2+16
B) x2-8x+16
C) x2-8x-16
D) x2-8x+8
  • 8. Factorise x2-8x+16
A) (x+4)2
B) (x-8)2
C) (x-4)2
D) (x+4)(x-4)
  • 9. Expand (x+2)(x-2)
A) x2-4
B) x2+4
C) x2-4x-4
D) x2+4x-4
  • 10. Factorise x2-4
A) (x+2)(x-2)
B) (x+4)(x-4)
C) (x+2)2
D) (x+4)2
  • 11. Expand (x+5)(x-5)
A) x2+25
B) x2+10x-25
C) x2+10x+25
D) x2-25
  • 12. Factorise x2-25
A) (x+5)(x-5)
B) (x-5)2
C) (x+5)2
D) (x+25)(x-25)
  • 13. Expand (2x+1)(2x-1)
A) 2x2-1
B) 4x2-1
C) 4x2+1
D) 4x2+4x-1
  • 14. Factorise 4x2-1
A) (4x-1)2
B) (2x+1)(2x-1)
C) (2x+1)2
D) (2x-1)2
  • 15. Expand (3x+2)(3x-2)
A) 9x2-4
B) 9x2+4
C) 9x2+12x+4
D) 3x2-4
  • 16. Factorise 9x2-4
A) (3x+4)(3x-4)
B) (3x-2)2
C) (3x+2)2
D) (3x+2)(3x-2)
  • 17. Expand (3x+1)2
A) 3x2+1
B) 9x2+6x+1
C) 9x2+1
D) 3x2+6x+1
  • 18. Factorise 9x2+6x+1
A) (3x+1)(3x-1)
B) (3x+1)2
C) (3x-1)2
D) (9x+1)2
  • 19. Expand (2x-1)2
A) 4x2+1
B) 4x2-1
C) 4x2+4x+1
D) 4x2-4x+1
  • 20. Factorise 4x2-4x+1
A) (2x+1)(2x-1)
B) (2x-1)2
C) (4x-1)2
D) (2x+1)2
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