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F. Find the solutions of the following quadratic equations using quadratic formula.
1.x²- 8x-9=0
2. 2x² + 6x + 1 = 0​

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[tex]1. \times - 8 \times - 9 = 0 \\ 2.2 \times { + 6 \times + 1 = 0}^{2} [/tex]

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