Hey can someone help me with this

Answer:
[4x^2}-[9x]+[11}
Step-by-step explanation:
Given:
(3x^2-2x)+(x^2-7x+11)=
3x^2-2x+x^2-7x+11=
4x^2-9x+11=
Answer:
4x^2-9x+11
Step-by-step explanation:
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