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受欢迎的代数 >

(0.63024)= 1/2 (10.9)(x)^2

解答

(0.63024) = \frac{1}{2} (10.9) (x)^{2}

解答

x = \frac{3939}{25 5 \frac{109}{10}}, x = - \frac{3939}{25 5 \frac{109}{10}}

+1

十进制

x = 0.34005 \dots, x = - 0.34005 \dots

求解步骤

(0.63024) = \frac{1}{2} (10.9) x^{2}

交换两边

\frac{1}{2} (10.9) x^{2} = (0.63024)

\frac{1}{2} 10.9 x^{2} = 0.63024

化简

\frac{1}{2} (10.9) : \frac{10.9}{2}

\frac{10.9}{2} x^{2} = 0.63024

在两边乘以

2

10.9 x^{2} = 1.26048

两边除以

10.9

x^{2} = \frac{1.26048}{10.9}

对于

x^{2} = f (a)

解为

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

x = \frac{1.26048}{10.9}, x = - \frac{1.26048}{10.9}

\frac{1.26048}{10.9} = \frac{3939}{25 5 \frac{109}{10}}

- \frac{1.26048}{10.9} = - \frac{3939}{25 5 \frac{109}{10}}

x = \frac{3939}{25 5 \frac{109}{10}}, x = - \frac{3939}{25 5 \frac{109}{10}}

作图

流行的例子

(x - 2)^{2} + 4 = 0

solvefor x,x^2-9y^2=0

so l v e f or x, x^{2} - 9 y^{2} = 0

2 m^{2} - 33 = - 5 + m

- (x + 9) (x - 9) = 0

28X-30+36X-126+48-5X^2=0

28 X - 30 + 36 X - 126 + 48 - 5 X^{2} = 0