因数 8-125x^3

解

因数

8 - 125 x^{3}

- (5 x - 2) (25 x^{2} + 10 x + 4)

解答ステップ

8 - 125 x^{3}

標準的な形式で書く

= - 125 x^{3} + 8

くくり出す

- 1 : - (125 x^{3} - 8)

= - (125 x^{3} - 8)

因数

125 x^{3} - 8 : (5 x - 2) (5^{2} x^{2} + 2 \cdot 5 x + 2^{2})

= - (5 x - 2) (5^{2} x^{2} + 2 \cdot 5 x + 2^{2})

簡素化

- (5 x - 2) (5^{2} x^{2} + 2 \cdot 5 x + 2^{2}) : - (5 x - 2) (25 x^{2} + 10 x + 4)

= - (5 x - 2) (25 x^{2} + 10 x + 4)