Question

Find the sum and product of the roots for the following quadratic equation:

x² + 3x – 28 = 0

Answer 1

x² – (–3)x + (–28) = 0.

Comparing this with x² – (α + β)x + αβ = 0.

(α + β) = Sum of the roots = –3

αβ = product of the roots = –28