Given: Our given quadratic equation is 4x2 – 32x + 63 = 0 Concept used: General quadratic equation in terms of roots is x2 – (α + β)x + αβ = 0 Calculation: By comparing given quadratic equation with general quadratic equation, we get (α + β) = 32/4 = 8 ∴ The value of (α + β) is 8