There is a family of six members. There are two married

If α, β are the roots of the equation x² – px + q = 0, then the value of α²+β²+2αβ is 

I. 8x² - 74x + 165 = 0

II. 15y² - 38y + 24 = 0

I. x² - x - 56 = 0

II. y² - 20y + 96 = 0

I. p² - 10p +21 = 0

II. q² + q -12 = 0

I. 2x² – 10x – 48 = 0

II. y² – 16y – 297 = 0

 If x satisfies x² – 14x + 40 = 0, find x.

I. x² – 18x + 81 = 0

II. y² – 3y - 28 = 0

I. 2y² - 35y + 132 = 0

II. 2x² - 31x + 110 = 0

I. 25p + 2(2p² – 1) = 8(p + 5)

II. 8q² + 35q – 78 = 0

I. 88x² - 13 x – 56 = 0

II. 15 y² + 41 y + 28 = 0