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受欢迎的代数 >

(3x+7)^2=144

解答

(3 x + 7)^{2} = 144

解答

x = \frac{5}{3}, x = - \frac{19}{3}

+1

十进制

x = 1.66666 \dots, x = - 6.33333 \dots

求解步骤

(3 x + 7)^{2} = 144

对于

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

解为

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

解

3 x + 7 = 144 : x = \frac{5}{3}

解

3 x + 7 = - 144 : x = - \frac{19}{3}

二次方程组的解是:

x = \frac{5}{3}, x = - \frac{19}{3}

作图

流行的例子

- 6 b^{2} - 1 = - 169

- p^{2} = 11 p + 18

(x + 13)^{2} - 441 = 0

x^{2} - 2 a x + 1 = 0

x^2=16^2-(8sqrt(3))^2

x^{2} = 1 6^{2} - (83)^{2}