\"\"

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The expression is \"\".

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Step 1:

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Find one half of \"\", the coefficient of \"\".

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Find one half of \"\" is \"\".

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Step 2:

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Square the result in Step 1.

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\"\".

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\"\"

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Step 3:

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Add the result of step 2 to \"\".

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\"\".

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\"\" 

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\"\"

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\"\".