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受欢迎的代数 >

(x-6)^2=-81

解答

(x - 6)^{2} = - 81

解答

x = 9 i + 6, x = - 9 i + 6

求解步骤

(x - 6)^{2} = - 81

对于

(g (x))^{2} = f (a)

解为

g (x) = f (a), - f (a)

解

x - 6 = - 81 : x = 9 i + 6

解

x - 6 = - - 81 : x = - 9 i + 6

二次方程组的解是:

x = 9 i + 6, x = - 9 i + 6

作图

流行的例子

n^{2} = 9

- 3 x^{2} + 3 x + 5 = 0

solvefor x,z=2-x^2-y^2

so l v e f or x, z = 2 - x^{2} - y^{2}

x^2-4x+8=2-2x^2

x^{2} - 4 x + 8 = 2 - 2 x^{2}

6 x^{2} - x = 12