You can
put this solution on YOUR website!
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