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受欢迎的代数 >

(x^2)/8 =(24-x^2)/(16)

解答

\frac{x ^{2}}{8} = \frac{24 - x ^{2}}{16}

解答

x = 22, x = - 22

+1

十进制

x = 2.82842 \dots, x = - 2.82842 \dots

求解步骤

\frac{x ^{2}}{8} = \frac{24 - x ^{2}}{16}

将

\frac{24 - x ^{2}}{16}

para o lado esquerdo

\frac{3 x ^{2} - 24}{16} = 0

在两边乘以

16

3 x^{2} - 24 = 0

将

24

到右边

3 x^{2} = 24

两边除以

3

x^{2} = 8

对于

x^{2} = f (a)

解为

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

x = 8, x = - 8

8 = 22

- 8 = - 22

x = 22, x = - 22

作图

流行的例子

31w^2-40w+16=6w^2

31 w^{2} - 40 w + 16 = 6 w^{2}

因式分解 5x^2+2=-7x+8

f a c t or 5 x^{2} + 2 = - 7 x + 8

1.5 z^{2} + 2 z = 0

-x^2+9/2 x+1= 1/2 x+1

- x^{2} + \frac{9}{2} x + 1 = \frac{1}{2} x + 1

solvefor y,x^2y=8

so l v e f or y, x^{2} y = 8