Question

Ajutor va rog! Sa se calculeze cu delta

Answer 1

Răspuns:

a=2

b=3

c=-5

delta=b^2-4ac

=9-4*2(-5)

=9+40

=49

=7

×1=-b-radical delta /2a

=-3-7/2*2

=-4/4

=-1

×2=-b+radical delta

=-3+7/4

=4/4

=1