Kopertina e librit Matematika 10 - 11: Pjesa I

Zgjidhja e ushtrimit 1

Zgjidhja e ushtrimit 1 të mësimit 6.4A në librin Matematika 10 - 11: Pjesa I nga shtëpia botuese Botime Pegi me autorë Steve Fearnley, June Haighton, Steve Lomax, Peter Mullarkey, James Nicholson dhe Matt Nixon.


Pyetja

Kopjoni dhe plotësoni identitetet e mëposhtme.

  1. (x+6)(x+2)x2+x+(x+6)(x+2) \equiv x^2 + \square x + \square
  2. (x+5)(x+3)x2+x+(x+5)(x+3) \equiv x^2 + \square x + \square
  3. (x2)(x+8)x2+x(x-2)(x+8) \equiv x^2 + \square x - \square
  4. (x6)(x+2)x2x(x-6)(x+2) \equiv x^2 - \square x - \square
  5. (x5)(x+3)x2x(x-5)(x+3) \equiv x^2 - \square x - \square
  6. (x8)(x+2)x2x(x-8)(x+2) \equiv x^2 - \square x - \square

Zgjidhja

  1. x2+2x+6x+12=x2+8x+12x^2 + 2x + 6x + 12 = x^2 + 8x +12
  2. x2+3x+5x+15=x2+8x+15x^2 + 3x + 5x + 15 = x^2 + 8x + 15
  3. x2+8x2x16=x2+6x16x^2 + 8x - 2x - 16 = x^2 + 6x - 16
  4. x2+2x6x12=x24x12x^2 + 2x - 6x - 12 = x^2 - 4x - 12
  5. x2+3x5x15=x22x15x^2 + 3x - 5x - 15 = x^2 - 2x - 15
  6. x2+2x8x16=x26x16x^2 + 2x -8x - 16 = x^2 - 6x - 16