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受欢迎的代数 >

-(4x-5)^2+3=-3

解答

- (4 x - 5)^{2} + 3 = - 3

解答

x = \frac{6 + 5}{4}, x = \frac{- 6 + 5}{4}

+1

十进制

x = 1.86237 \dots, x = 0.63762 \dots

求解步骤

- (4 x - 5)^{2} + 3 = - 3

将

3

到右边

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

两边除以

- 1

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

对于

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

解为

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

解

4 x - 5 = 6 : x = \frac{6 + 5}{4}

解

4 x - 5 = - 6 : x = \frac{- 6 + 5}{4}

二次方程组的解是:

x = \frac{6 + 5}{4}, x = \frac{- 6 + 5}{4}

作图

流行的例子

3 x^{2} + 6 x = - 2

x^{2} - 7 = 4 x

5 x^{2} = - 9 x - 6

solvefor x,x^2+y^2-2x+6y+11=0

so l v e f or x, x^{2} + y^{2} - 2 x + 6 y + 11 = 0

2 x^{2} - 5 x = 3 (x + 4)