求解 2y^2+x-7=0 | Microsoft Math Solver

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求解 x 的值

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求解 y 的值 (复数求解)

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求解 y 的值

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x-7=-2y^{2}

将方程式两边同时减去 2y^{2}。零减去任何数都等于该数的相反数。

x=-2y^{2}+7

将 7 添加到两侧。

示例

二次方程式