$\"\"$

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Complex zeros of a cubic polynomial function are $\"\"$ and

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$\"\"$ -intercept is $\"\"$ .

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Zeros are $\"\"$ and $\"\"$ .

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Factor theorem: If $\"\"$ , then $\"\"$ is factor of polynomial.

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

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Cubic polynomial function is $\"\"$ .