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人気のある代数 >

solvefor x,-x^2+x(1-h)=0

解

解く

x, - x^{2} + x (1 - h) = 0

解

x = 0, x = 1 - h

解答ステップ

- x^{2} + x (1 - h) = 0

標準的な形式で書く

a x^{2} + b x + c = 0

- x^{2} + (1 - h) x = 0

解くとthe二次式

x_{1, 2} = \frac{- ( 1 - h ) \pm ( 1 - h ) ^{2} - 4 ( - 1 ) \cdot 0}{2 ( - 1 )}

簡素化

(1 - h)^{2} - 4 (- 1) \cdot 0 : - h + 1

x_{1, 2} = \frac{- ( 1 - h ) \pm ( - h + 1 )}{2 ( - 1 )}

解を分離する

x_{1} = \frac{- ( 1 - h ) - h + 1}{2 ( - 1 )}, x_{2} = \frac{- ( 1 - h ) - ( - h + 1 )}{2 ( - 1 )}

x = \frac{- ( 1 - h ) - h + 1}{2 ( - 1 )} : 0

x = \frac{- ( 1 - h ) - ( - h + 1 )}{2 ( - 1 )} : 1 - h

二次equationの解:

x = 0, x = 1 - h

グラフ

人気の例

(x+1)^2=(x-7)^2+x^2

(x + 1)^{2} = (x - 7)^{2} + x^{2}

solvefor F,V=pi(r^2+F^2)

so l v e f or F, V = π (r^{2} + F^{2})

7 - 2 x^{2} = - 25

2 x^{2} + 9 x = - 10

completesquare v^2+2v

co m pl e t es q u a re v^{2} + 2 v