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人気のある代数 >

-10x^4+6=0

解

- 10 x^{4} + 6 = 0

解

x = \frac{3}{5}, x = - \frac{3}{5}, x = - \frac{3}{5}, x = - - \frac{3}{5}

解答ステップ

- 10 x^{4} + 6 = 0

6

を右側に移動します

- 10 x^{4} = - 6

以下で両辺を割る

- 10

x^{4} = \frac{3}{5}

equationを

u = x^{2}

と以下で書き換える:

u^{2} = x^{4}

u^{2} = \frac{3}{5}

解く

u^{2} = \frac{3}{5} : u = \frac{3}{5}, u = - \frac{3}{5}

u = \frac{3}{5}, u = - \frac{3}{5}

再び

u = x^{2}

に置き換えて以下を解く:

x

解く

x^{2} = \frac{3}{5} : x = \frac{3}{5}, x = - \frac{3}{5}

解く

x^{2} = - \frac{3}{5} : x = - \frac{3}{5}, x = - - \frac{3}{5}

解答は

x = \frac{3}{5}, x = - \frac{3}{5}, x = - \frac{3}{5}, x = - - \frac{3}{5}

グラフ

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