Matematika 12

Greg Attwood, Jack Barraclough, Ian Bettison, Alistair Macpherson, Bronwen Moran, Su Nicholson, Diane Oliver, Joe Petran, Keith Bledger, Harry Smith, Geoff Staley, Robert Ward-Penny dhe Dave Wilkins

Pyetja

Zgjidh ekuacionet që vijojnë:

  1. 3x2+5x=23x^2 + 5x = 2
  2. (2x3)2=9(2x-3)^2 = 9
  3. (x7)2=36(x-7)^2 = 36
  4. 2x2=82x^2 = 8
  5. 3x2=53x^2 = 5
  6. (x3)2=13(x-3)^2 = 13
  7. (3x1)2=11(3x-1)^2 = 11
  8. 5x210x2=7+x+x25x^2 - 10x^2 = -7 + x + x^2
  9. 6x27=11x6x^2 - 7 = 11x
  10. 4x2+17x=6x2x24x^2+17x=6x-2x^2