D. Describe the nature of the roots of the following quadratic equations. 1. 3x² + 5x + 1 = 0 5. 10n² 4n = 8 2.4x²2x4=0 3.6s² s2 = 0 4. 9t² 2t + 1 = 0 6. 2a(6a-8) + 4 = 39 7.3m NIE m = 0 8.2x - ²+3=0 x

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