Question

1 by 3 x square - 2 x minus 9​

Answer 1

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$( \frac{1}{3} x) {}^{2} - 2x - 9 \\ \frac{1}{9} x {}^{2} - 2x - 9 \\ \frac{x {}^{2} - 18x}{9} = 9 \\ x {}^{2} - 18x = 81 \\ x {}^{2} - 18x - 81 = 0$

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