SOLUTION: x^2+3x=3 need to know what number to add to both sides

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Question 842235: x^2+3x=3 need to know what number to add to both sides
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
To do what?
Complete the square? Add (9%2F4).
x%5E2%2B3x=3
x%5E2%2B3x%2B3%2F4=3%2B3%2F4
%28x%2B3%2F2%29%5E2=12%2F4%2B3%2F4
%28x%2B3%2F2%29%5E2=15%2F4
Make the right hand side equal to zero?? Add -3.
x%5E2%2B3x-3=3-3
x%5E2%2B3x-3=0
If it's neither of these, please repost.