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受欢迎的代数 >

4(6x-1)^2-5=223

解答

4 (6 x - 1)^{2} - 5 = 223

解答

x = \frac{57 + 1}{6}, x = \frac{- 57 + 1}{6}

+1

十进制

x = 1.42497 \dots, x = - 1.09163 \dots

求解步骤

4 (6 x - 1)^{2} - 5 = 223

将

5

到右边

4 (6 x - 1)^{2} = 228

两边除以

4

(6 x - 1)^{2} = 57

对于

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

解为

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

解

6 x - 1 = 57 : x = \frac{57 + 1}{6}

解

6 x - 1 = - 57 : x = \frac{- 57 + 1}{6}

二次方程组的解是:

x = \frac{57 + 1}{6}, x = \frac{- 57 + 1}{6}

作图

流行的例子

s im pl i f y \frac{1}{16} - 1

因式分解 30x^3y+35x^2y^2

f a c t or 30 x^{3} y + 35 x^{2} y^{2}

x + 23 = 9 x - 17

x^{2} - 16 x = - 63

x^{2} = 5 x - 10