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受欢迎的代数 >

36x-6x^2-2x^3=0

解答

36 x - 6 x^{2} - 2 x^{3} = 0

解答

x = 0, x = 3, x = - 6

求解步骤

36 x - 6 x^{2} - 2 x^{3} = 0

因式分解

36 x - 6 x^{2} - 2 x^{3} : - 2 x (x - 3) (x + 6)

- 2 x (x - 3) (x + 6) = 0

使用零因数法则： If

ab = 0

then

a = 0

or

b = 0

x = 0 or x - 3 = 0 or x + 6 = 0

解

x - 3 = 0 : x = 3

解

x + 6 = 0 : x = - 6

解为

x = 0, x = 3, x = - 6

作图

流行的例子

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