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受欢迎的代数 >

p(x)=3,x^3-4x^2+6x+1x=-29-192

解答

p (x) = 3, x^{3} - 4 x^{2} + 6 x + 1 x = - 29 - 192

解答

(x = - 4.66294 \dots, p = 3)

求解步骤

[p = 3 x^{3} - 4 x^{2} + 6 x + 1 \cdot x = - 29 - 192]

解

x^{3} - 4 x^{2} + 6 x + 1 x = - 29 - 192 : x \approx - 4.66294 \dots

将解

x = - 4.66294 \dots

代入

p = 3

对于

p = 3

，用

- 4.66294 \dots

替代

x : p = 3

将解代入原方程进行验证

因而，

p = 3, x^{3} - 4 x^{2} + 6 x + 1 x = - 29 - 192

最后的解是

(x = - 4.66294 \dots, p = 3)

作图

流行的例子

3 x = y + 5, x + y = 11

x + y = 7, 5 x - 2 y = - 7

x+2y=3,2x-3y=13

x + 2 y = 3, 2 x - 3 y = 13

x+y=18,2x-3y=150

x + y = 18, 2 x - 3 y = 150

4x+y=4,3x+1/2 y=2

4 x + y = 4, 3 x + \frac{1}{2} y = 2