$\"\"$

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The function is $\"\"$ .

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$\"\"$ is a function that has roots $\"\"$ and $\"\"$ .

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Factored form of $\"\"$ is $\"\"$ .

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$\"\"$ .

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Replace $\"\"$ instead of $\"\"$ .

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Subustiute the valve of $\"\"$ in the function $\"\"$ .

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$\"\"$ .

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Now find zero of each factor.

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Consider $\"\"$ .

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$\"\"$

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Consider $\"\"$ .

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$\"\"$

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Consider $\"\"$ .

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$\"\"$

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Multiplying $\"\"$ by $\"\"$ will shrink the function $\"\"$ horizontally.

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The zeros of $\"\"$ are $\"\"$ .

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Zeroes of the function are $\"\"$ .

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$\"\"$

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The zeros of $\"\"$ are $\"\"$ .