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Descompunerea in factori2
  • 1. x2+6x+9
A) (x+3)(x-3)
B) (x+9)(x-9)
C) (x+3)2
D) (x+9)2
  • 2. x2+8x+16
A) (x+8)2
B) (x+4)(x-4)
C) (x+4)2
D) (x+8)(x-8)
  • 3. x2-6x+9
A) (x+3)(x-3)
B) (x-9)2
C) (x-3)2
D) (x+9)(x-9)
  • 4. x2-8x+16
A) (x-4)2
B) (x+4)2
C) (x+4)(x-4)
D) (x-8)2
  • 5. x2-4
A) (x+4)(x-4)
B) (x+4)2
C) (x+2)2
D) (x+2)(x-2)
  • 6. x2-25
A) (x+5)(x-5)
B) (x+5)2
C) (x+25)(x-25)
D) (x-5)2
  • 7. 4x2-1
A) (4x-1)2
B) (2x+1)(2x-1)
C) (2x-1)2
D) (2x+1)2
  • 8. 9x2-4
A) (3x+4)(3x-4)
B) (3x+2)(3x-2)
C) (3x-2)2
D) (3x+2)2
  • 9. 9x2+6x+1
A) (3x-1)2
B) (3x+1)2
C) (9x+1)2
D) (3x+1)(3x-1)
  • 10. 4x2-4x+1
A) (2x+1)2
B) (4x-1)2
C) (2x+1)(2x-1)
D) (2x-1)2
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