Question

please answer and get brainliest answer

Answer 1

$d = {b}^{2} - 4ac$
and the roots are given by
$x = ( - b + \sqrt{d}) \div 2a$
and
$x = (- b - \sqrt{d} ) \div 2a$
and we know that the square of any number cannot be negative and the square root of discriminant will be imaginary if the number is negative inside a square root