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受欢迎的代数 >

(6-x)^2=64

解答

(6 - x)^{2} = 64

解答

x = - 2, x = 14

求解步骤

(6 - x)^{2} = 64

对于

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

解为

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

解

6 - x = 64 : x = - 2

解

6 - x = - 64 : x = 14

二次方程组的解是:

x = - 2, x = 14

作图

流行的例子

solvefor x,f(x+3)=3x^2+3x-3

so l v e f or x, f (x + 3) = 3 x^{2} + 3 x - 3

(2-x)(x+1)-x(x-1)=2

(2 - x) (x + 1) - x (x - 1) = 2

18=(-6+3)^2+(2-y)^2

18 = (- 6 + 3)^{2} + (2 - y)^{2}

(3n-2)=(n(3n-1))/2

(3 n - 2) = \frac{n ( 3 n - 1 )}{2}

u^{2} - 2 u - 2 = 0