$\"\"$

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Find the zeros of the function by using factor by grouping.

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The function $\"\"$ .

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Rewrite the function as : $\"\"$ .

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$\"\"$

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Common out $\"\"$ from the first three terms.

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$\"\"$

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Common out $\"\"$ from the last three terms.

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$\"\"$

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Common out the common term $\"\"$ .

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$\"\"$ . $\"\"$

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Now factor $\"\"$ .

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$\"\"$

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Therefore, the conplete factor form of $\"\"$ is $\"\"$ .

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To find the zeros of the function, equate each factor to zero.

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$\"\"$

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Thus, the zeros of the function $\"\"$ are $\"\"$ , and $\"\"$ .

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$\"\"$

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The zeros of the function $\"\"$ are $\"\"$ , and $\"\"$ .