x2 + x - 20 = 0
y2 - y -30 = 0
(b)
(c)
(d)
(e)
On solving, we get
x=4,-5 y= -5,6
So, no relationship can be determined between x and y.
x2- 7x + 12 = 0
y2 + y - 12 = 0
x2 + 5x + 6 = 0
y2 + 3y + 2 = 0
x2+ 9X + 20 = 0
Y2+ 5Y + 6 = 0
x2−7x+12=0
y2+y−12=0