The quadratic equation with sum of roots $- 1$ and product of roots $2$

x^{2} + x + 2 = 0

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x^{2} + 8 x + 16 = 0

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x^{2} + 16 x + 8 = 0

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x^{2} + 4 x + 5 = 0

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Solution

The correct option is A $x^{2} + x + 2 = 0$
The squadratic equation is $x^{2} - (α + β) x + α β = 0 x^{2} - (- 1) x + 2 = 0 x^{2} + x + 2 = 0$

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