Question

2x2-4x-3=0 then
α + β=? α×β=?

Answer 1

$\alpha + \beta$
= - b / a = 4 / 2 = 2

And..
$\alpha \times \beta$
= c / a = - 3 / 2

Answer 2

first rewrite it as x^2-2x-3/2. Then a+b=-(-2)=2 and a*b=- (3/2)