SBI PO 10 July 2016 Paper

I. 25x2 + 20x + 3 = 0
⇒ 25x2 + 15x + 5x + 3 = 0
⇒ 5x (5x + 3) + 1 (5x + 3) = 0
⇒ (5x + 3) (5x + 1) = 0
⇒ x = −

3

5

or −

1

5

II. 4y2 + 11y + 6 = 0
⇒ 4y2 + 8y + 3y + 6 = 0
⇒ 4y (y + 2) + 3 (y + 2) = 0
⇒ (y + 2) (4y + 3) = 0
⇒ y = - 2 or −

3

4

Clearly, x > y