how to set field value Nagitive in power app

Question

Hi All,

 

I am having one dropdown with values :1. Value 1

                                                               2. Value 2

                                                               3. Value 3

 

If i select Value 1:

 

in Text 2 field value should be  :  will always be negative   

 

 

If i select Value 2 and value 3:

in Text 2 field value should be : will always be positive

 

Please suggest . 

 

 

Thank you,

Sowjanya.