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thank you will be very much appreciated 

 

https://prnt.sc/oy64ka

 Aug 27, 2019
 #1
avatar+104686 
+1

Since there are no sign changes to  p(x).....there are no positive roots

 

Since  p(-x)  has 3 sign changes, there are either 3  negative roots  or 1 negative root

 

Since the bounds  are   -6  and 1, he only  needs to test

 

- 1/4, -1/2 , -1, -5/4, -2, -5/2, -4, -5

 

cool cool cool

 Aug 27, 2019

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