Respuesta :

abelich79

Answer:

4

Step-by-step explanation:

Explanation:

D

=

d

2

=

b

2

−

4

a

c

=

100

+

96

=

196

-->  

d

=

±

14

There are 2 real roots:

x

=

−

b

2

a

±

d

2

a

=

10

6

±

14

6

=

5

3

±

7

3

The positive real root is :  

12

3

=

4

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