Which of the following number system has

The quadratic equation (p + 1)x ² -  8(p + 1)x + 8(p + 16) = 0 (where p ≠ -1) has equal roots. find the value of p.

I. 2y²– 19y + 35 = 0

II. 4x²– 16x + 15 = 0

I. 6x² + 23x + 10 = 0

II. 2y² - 3y - 5 = 0

I. 3q² -29q +18 = 0

II. 9p² - 4 = 0

I. 6x² – 7x - 20 = 0

II. 3y² - y - 14 = 0

I.8^(x+3) +  8^(-x) =72 

II. 5^{(y + 5)} + 5^(-y) = 150 

I. 2x²– 5x – 63 = 0

II. 2y²– 7y – 72 = 0

I. 2x² - 9 x + 9 = 0 

II. 2y² - 7 y + 3 = 0

I. 6x² - 49x + 99 = 0

II. 5y² + 17y + 14 = 0

I. p² – 15p + 56 = 0

II. q² + 2q – 63 = 0