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

Skico grafikun e y=(x+5)(x4)(x2+5x+14)y=(x+5)(x-4)(x^2+5x+14).