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 >

10(x-7)^2=440

解答

10 (x - 7)^{2} = 440

解答

x = 211 + 7, x = - 211 + 7

+1

十进制

x = 13.63324 \dots, x = 0.36675 \dots

求解步骤

10 (x - 7)^{2} = 440

两边除以

10

(x - 7)^{2} = 44

对于

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

解为

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

解

x - 7 = 44 : x = 211 + 7

解

x - 7 = - 44 : x = - 211 + 7

二次方程组的解是:

x = 211 + 7, x = - 211 + 7

作图

流行的例子

∣ x ∣ < 13

\frac{4}{( x ^{2} + 9 )} > 0

8 x - 12 = 15 x - 4 x

(3x+14)/4-16=-15

\frac{3 x + 14}{4} - 16 = - 15

∣ x - 9 ∣ = 2