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受欢迎的代数 >

3(x-6)^2-6=210

解答

3 (x - 6)^{2} - 6 = 210

解答

x = 62 + 6, x = - 62 + 6

+1

十进制

x = 14.48528 \dots, x = - 2.48528 \dots

求解步骤

3 (x - 6)^{2} - 6 = 210

将

6

到右边

3 (x - 6)^{2} = 216

两边除以

3

(x - 6)^{2} = 72

对于

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

解为

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

解

x - 6 = 72 : x = 62 + 6

解

x - 6 = - 72 : x = - 62 + 6

二次方程组的解是:

x = 62 + 6, x = - 62 + 6

作图

流行的例子

10000 x^{2} - 64 = 0

solvefor x,x^2-8x+41=0

so l v e f or x, x^{2} - 8 x + 41 = 0

solvefor x,(8x-2y)/(2y+3)=2x^2-1

so l v e f or x, \frac{8 x - 2 y}{2 y + 3} = 2 x^{2} - 1

4 v^{2} = - 20 v - 25

25 w^{2} - 24 w + 6 = w