-5x^2-3=0

解

- 5 x^{2} - 3 = 0

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

解答ステップ

- 5 x^{2} - 3 = 0

3

を右側に移動します

- 5 x^{2} = 3

以下で両辺を割る

- 5

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

x^{2} = f (a)

の場合, 解は

x = f (a), - f (a)

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

- \frac{3}{5} = \frac{3}{5} i

- - \frac{3}{5} = - \frac{3}{5} i

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