Solve cubic equation 〖〖2x〗^3-5x〗^2-9x+18=0

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二次交流法を因数分解して解く方法を学習します。

二次方程式: 2x^2 - 9x - 18 = 0 を解く

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Solve -2x^2+5x=0, completing the square, neatly typed in 3.6 minutes

solve and check `2x-18=0`

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