Use quadratic formula: \(t = rac{4 \pm \sqrt{(-4)^2 - 4(1)(-2)}}{2} = rac{4 \pm \sqrt{16 + 8}}{2} = rac{4 \pm \sqrt{24}}{2} = rac{4 \pm 2\sqrt{6}}{2} = 2 \pm \sqrt{6}\).

Wed, 06 May 2026 03:29:45 +0000

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