Question

Solve this question
This is formulae
$\frac{ - b + \sqrt{b { }^{2} - 4ac}}{2a} \: or \frac{ - b - \sqrt{b { }^{2} - 4ac}}{2a} \: i.e \: \frac{ - b + - \sqrt{b { }^{2} - 4ac}}{2a}$

Answer 1

you can calculate it by using simple (a+b)² formula. the answer will be x=(-√3)