Solve -7n^2=-420 - ScanMath

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Question

- 7 n^{2} = - 420

Solve the quadratic equation

Solve using square roots

Solve using the quadratic formula

Solve using the PQ formula

n_{1} = - 215, n_{2} = 215

Alternative Form

n_{1} \approx - 7.745967, n_{2} \approx 7.745967

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