IBPS Clerk Prelims Model Paper 5

I. x2 + 3x – 40 = 0
x2 + 8x – 5x – 40 = 0
x(x + 8) – 5(x + 8) = 0
x = 5 and x = –8
II. y2 – 2y – 80 = 0
y2 – 10y + 8y – 80 = 0
y(y – 10) + 8(y – 10) = 0
y = 10 or –8
From the two equations of x and y, it is clear that there is no relation between x and y.