Find the remaining two zeros of the polynomial $x^{4} - x^{3} - 13 x^{2} + 7 x + 42$ if two of its zero are $\sqrt{7}, - \sqrt{7}$ .

3, 2

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-3, 2

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3, -2

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-3, -2

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Solution

The correct option is C 3, -2

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