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受欢迎的代数 >

750x^2-1350x+210=0

解答

750 x^{2} - 1350 x + 210 = 0

解答

x = \frac{9 + 53}{10}, x = \frac{9 - 53}{10}

+1

十进制

x = 1.62801 \dots, x = 0.17198 \dots

求解步骤

750 x^{2} - 1350 x + 210 = 0

使用求根公式求解

x_{1, 2} = \frac{- ( - 1350 ) \pm ( - 1350 ) ^{2} - 4 \cdot 750 \cdot 210}{2 \cdot 750}

(- 1350)^{2} - 4 \cdot 750 \cdot 210 = 15053

x_{1, 2} = \frac{- ( - 1350 ) \pm 150 53}{2 \cdot 750}

将解分隔开

x_{1} = \frac{- ( - 1350 ) + 150 53}{2 \cdot 750}, x_{2} = \frac{- ( - 1350 ) - 150 53}{2 \cdot 750}

x = \frac{- ( - 1350 ) + 150 53}{2 \cdot 750} : \frac{9 + 53}{10}

x = \frac{- ( - 1350 ) - 150 53}{2 \cdot 750} : \frac{9 - 53}{10}

二次方程组的解是:

x = \frac{9 + 53}{10}, x = \frac{9 - 53}{10}

作图

流行的例子

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