Find the roots of the following quadratic equations by factorisation

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1. \(x^2 - 2x - 15 = 0\)

x = i and x = i

2. \(2x^2 - x + \frac{1}{8} = 0\)

x = \frac{i}{i} and x = \frac{i}{i}

[Note: Enter the roots from smallest to greatest.]

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1. Find the roots of the following quadratic equations by factorisation