\"\"

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The polynomial expression is \"\".

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Apply commutative property of subtraction: \"\".

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\"\"

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\"\"         (Combine like terms are grouping)

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\"\"             (Take out common term 3x)

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\"\"       (Take out common term 1) \"\"

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\"\"                   (Take out common term \"\")

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\"\"                    (Rewrite: 25 = 52)

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Apply difference of squares formula: \"\".

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\"\"\"\"

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The solution is \"\".