$\"\"$

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The equation is $\"\"$ .

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Consider $\"\"$ .

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Factorize the quadratic equation.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ \ \

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If $\"\"$ , then the general solution is $\"\"$ , where $\"image\"$ is an integer.

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$\"\"$

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If $\"image\"$ , then $\"\"$ .

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If $\"image\"$ , then

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$\"\"$ .

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\ \ Thus, the solutions are $\"\"$ , and $\"\"$ in the interval $\"\"$ . $\"\"$

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The solutions are $\"\"$ , and $\"\"$ in the interval $\"\"$ .