zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的代数 >

8x^2-512=0

解答

8 x^{2} - 512 = 0

解答

x = 8, x = - 8

求解步骤

8 x^{2} - 512 = 0

将

512

到右边

8 x^{2} = 512

两边除以

8

x^{2} = 64

对于

x^{2} = f (a)

解为

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

x = 64, x = - 64

64 = 8

- 64 = - 8

x = 8, x = - 8

作图

流行的例子

15 x^{2} + 8 x - 16 = 0

2 x^{2} - 10 x - 6 = 0

81-x^2=x^2+4x+11

81 - x^{2} = x^{2} + 4 x + 11

(x - 4)^{2} + 7 x = 17

completesquare x^2+2x+1=0

co m pl e t es q u a re x^{2} + 2 x + 1 = 0