Question

Don't give me wrong answer, if you will give me wrong answer i will report the answer, if you don't know the answer just say that you don't know the answer.

Answer 1

Answer:

${x}^{2}$

Step-by-step explanation:

${x}^{2} + 11 {x}^{2} - 5x - 11 {x}^{2} + 5x \\ first \: solve \: all \: like \: terms \\ = {x}^{2} + 11 {x}^{2} - 11 {x}^{2} - 5 {x} + 5x \\ = {x}^{2}$

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