a) i. Solve \(5x^2 - 16x - 2 = 0\).
- Use the quadratic formula: \(x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}\).
- Here, \(a = 5\), \(b = -16\), \(c = -2\).
- Calculate the discriminant: \(b^2 - 4ac = (-16)^2 - 4 \times 5 \times (-2) = 256 + 40 = 296\).
- Find the
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