Question

x*y=240'unde x si y sunt numere consecutive

Answer 1

x=xy=x+1
xy=x*(X+1)=240
x²+x=240
x²+x-240=0
x1= -1`6   y= x+1=-16+1=-15   
x1=-16   y1=-15
x2=15    y2=1+ x2=16     y2=16