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X^2 2x + 7 = 0

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Type your math problem... -x^2 - 2x + 7 = 0

Question

- x^{2} - 2 x + 7 = 0

Solve the quadratic equation

Solve using the quadratic formula

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Solve by completing the square

Solve using the PQ formula

x_{1} = - 1 - 22, x_{2} = - 1 + 22

Alternative Form

x_{1} \approx - 3.828427, x_{2} \approx 1.828427

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