Question

Help Math 60points please

Answer 1

solving equation by quadratic formula method, we get:

D = b² - 4ac

=(-5)² - 4 × 1 × 3

=25-12=13

D> 0,

so it has real roots.

x=- b ± √D/2a

- 5 ± √13/2

Correct choice [A] and [C].