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受欢迎的代数 >

f(x)=2,x^2+8x-3x^0=-3

解答

f (x) = 2, x^{2} + 8 x - 3 x^{0} = - 3

解答

(x = - 8, f = 2)

求解步骤

[f = 2 x^{2} + 8 x - 3 x^{0} = - 3]

解

x^{2} + 8 x - 3 x^{0} = - 3 : x = 0, x = - 8

对于

f = 2

，用

0

替代

x : f = 2

对于

f = 2

，用

- 8

替代

x : f = 2

将解代入原方程进行验证

因而，

f = 2, x^{2} + 8 x - 3 x^{0} = - 3

最后的解是

(x = - 8, f = 2)

作图

流行的例子

x-y=-6,x^2-y=-4

x - y = - 6, x^{2} - y = - 4

6x^2+7x-3=0,x_{1}=x_{2}

6 x^{2} + 7 x - 3 = 0, x_{1} = x_{2}

x-y=2,2x^2+9y^2=23

x - y = 2, 2 x^{2} + 9 y^{2} = 23

a+b=4,a^2+b^2=2

a + b = 4, a^{2} + b^{2} = 2

1/2 x+1/3 y=2, 5/x-2y= 17/3

\frac{1}{2} x + \frac{1}{3} y = 2, \frac{5}{x} - 2 y = \frac{17}{3}