Question

Розкласти на множники 3х2-2х-5=0

Answer 1

Ответ:

3x

2

−2x−5=0

a=3; b=−2; c=−5;

D=b

2

−4ac

D=64=8

2

x

1

=

2∗3

2−

64

=

6

2−8

=−1;

x

2

=

2∗3

2+

64

=

6

2+8

=1.6