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https://vle.mathswatch.co.uk/images/questions/question686.png

https://vle.mathswatch.co.uk/images/questions/question689.png

jakeharris02  Oct 7, 2017
edited by jakeharris02  Oct 7, 2017
 #1
avatar+86944 
+2

Here's the first one:

 

4x^2 - 4x  - 1  = 0    two solutions appear to be x  = -1/4   and x =  5/4

 

4x^2 - 4x  - 1  = 2    two solutions appear to be x  = -1/2   and x =  3/2

 

 

 

cool cool cool

CPhill  Oct 7, 2017

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