α+β= −ba\alpha + \beta = \;\frac{-b}{a}α+β=a−b
From the equation, a = 2, b = -3 and c = 4
α+β= −(−3)2= 32\alpha + \beta = \;\frac{-(-3)}{2} = \;\frac{3}{2}α+β=2−(−3)=23
