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I. x² + 24x + 143 = 0

II. y² + 12y + 35 = 0

I.√(3x-17)+ x=15

II.  y+  135/y=24 

Solve: x² − 7x + 12 = 0

I. 5x² - 28x + 39 = 0

II. 2y² - 13y + 20 = 0

The quadratic equation 2x² − kx + 3 = 0 has equal roots. Find k.

I. 40x² + 81x + 35 = 0

II. 63y² + 103y + 42 = 0

I. x² – 39x + 360 = 0

II. y² – 36y + 315 = 0

I. 10p² + 21p + 8 = 0

II. 5q² + 19q + 18 = 0

I. 4x² + 3√7 x-7 =0

II. 7y² + 4√7 y-5=0

Solve the quadratic equations and determine the relation between x and y:

Equation 1: x² - 21x + 110 = 0

Equation 2: y² - 23y + 132 = 0