Hi

2x^2-x=-7 

2x^2-x+7=0

 

     ||... 4 is under the entire Numerator

good to see You are concerned about the format to use: My first concern

would be if the radical is allowed in the answer, if so...

 x = 1/4 +√55/4 , 1/4 -√55/4  should work 

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