Question

Решите неравенство методом интервала. А)2x²-5x-25<0​

Answer 1

−

b

±

√

b

2

−

4

(

a

c

)

2

a

5

±

√

(

−

5

)

2

−

4

⋅

(

2

⋅

−

25

)

2

⋅

2

x

=

5

±

15

4

x

=

5

,

−

5

2