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受欢迎的代数 >

A(X)=X((288-2X)/2)

解答

A (X) = X (\frac{288 - 2 X}{2})

解答

X = 0, X = - A + 144

求解步骤

A (X) = X (\frac{288 - 2 X}{2})

将

X (\frac{288 - 2 X}{2})

para o lado esquerdo

A X - X \frac{288 - 2 X}{2} = 0

因式分解

A X - X \frac{288 - 2 X}{2} : X (A - 144 + X)

X (A - 144 + X) = 0

使用零因数法则： If

ab = 0

then

a = 0

or

b = 0

X = 0 or A - 144 + X = 0

解

A - 144 + X = 0 : X = - A + 144

二次方程组的解是:

X = 0, X = - A + 144

作图

流行的例子

4 x - 6 x^{2} = - 10

completesquare 1=x^2-6x

co m pl e t es q u a re 1 = x^{2} - 6 x

p^{2} - 9 p = - 8

solvefor x,3x^2+5y^2-12x-30y+60=0

so l v e f or x, 3 x^{2} + 5 y^{2} - 12 x - 30 y + 60 = 0

solvefor x,f=x^2+1gx+1

so l v e f or x, f = x^{2} + 1 gx + 1