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2x^2+5x+11=02x^2+5x+11=0
We move all terms to the left:
2x^2+5x+11-(02x^2+5x+11)=0
We get rid of parentheses
2x^2-02x^2+5x-5x-11+11=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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