i) p²+p=56                                         

II) q²-17q+72=0

I. 5x² + 17x + 6 = 0                                           

II. 2y² + 11y + 12 = 0

I. (y – 5)² – 9 = 0

II. x² – 3x + 2 = 0

I. 5x² - 28x + 39 = 0

II. 2y² - 13y + 20 = 0

I.8^(x+3)+ 8^(-x)=72 

II. 5^(y+5)+ 5^(-x)=150 

If a quadratic polynomial y = ax² + bx + c intersects x axis at a and β, then

I. 2x² + 12x + 18 = 0

II. 3y² + 13y + 12 = 0

I. x² - 4x – 21 = 0

II. y² + 12y + 20 = 0

I. 14p² + 9p - 8 = 0

II. 4q² - 19q + 12 = 0

I. x² + 16x + 63 = 0

II. y² + 2y - 15 = 0