$\"\"$

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The polynomial is $\"\"$ .

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Solve the polynomial.

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$\"\"$ (Original polynomial)

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$\"\"$ (Add $\"\"$ to each side)

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$\"\"$ (Add: $\"\"$ )

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$\"\"$ (Apply the pattern: $\"\"$ )

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$\"\"$ (Factors of group terms)

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$\"\"$ (Apply distributive property: $\"\"$ )

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$\"\"$ (Evaluate powers: $\"\"$ )

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$\"\"$ (Take the square root of each side)

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$\"\"$ (Simplify)

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$\"\"$ (Subtract $\"\"$ from each side)

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$\"\"$ (Apply additive inverse property : $\"\"$ )

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$\"\"$ and $\"\"$ (Separate the solutions)

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$\"\"$ and $\"\"$ (Using caluculator: $\"\"$ )

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$\"\"$ and $\"\"$

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Therefore, the solutions are $\"\"$ and $\"\"$ .

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$\"\"$

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The solutions are $\"\"$ and $\"\"$ .