$\"\"$

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The polynomial is $\"\"$ .

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Find the factors.

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$\"\"$ (Original equation)

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

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

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$\"\"$ (Write in form $\"\"$ )

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$\"\"$ (Factor the difference of the squares: $\"\"$ )

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$\"\"$ and $\"\"$ (Cancel square and root terms)

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Solutions are $\"\"$ and $\"\"$ .

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$\"\"$

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Check solution for $\"\"$ -values.

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Case(i).

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$\"\"$ (Original equation)

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$\"\"$ (Substitute $\"\"$ )

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

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Case(ii).

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$\"\"$ (Original equation)

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$\"\"$ (Substitute $\"\"$ )

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

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$\"\"$

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Solutions are $\"\"$ and $\"\"$ .