\[ x = \frac9 \pm \sqrt(-9)^2 - 4 \times 2 \times 72 \times 2 = \frac9 \pm \sqrt81 - 564 = \frac9 \pm \sqrt254 = \frac9 \pm 54. \] - AMAZONAWS

📅 March 6, 2026 👤 scraface

Mar 06, 2026

$x = \frac{9 \pm \sqrt{(-9)^2 - 4 \times 2 \times 7}}{2 \times 2} = \frac{9 \pm \sqrt{81 - 56}}{4} = \frac{9 \pm \sqrt{25}}{4} = \frac{9 \pm 5}{4}.$