x2-4x+()=(x+3)(x+())
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/26 11:33:20
x2-4x+()=(x+3)(x+())x2-4x+()=(x+3)(x+())x2-4x+()=(x+3)(x+())
x2-4x+()=(x+3)(x+())
x2-4x+()=(x+3)(x+())
x2-4x+()=(x+3)(x+())
x2-4x+()=(x+3)(x+())
化简(x-2分之3x-x+2分之x)×x分之x2-4
解方程:(x2-x)=3(x2+x)
解方程:(x2-x)=3(x2+x)
已知:√x=√a+1/√a求(x2+x-6)/x÷(x+3)/(x2-2x)-[(x-2)+√(x2-4x)]/[(x-2)-√(x2-4x)]的值
已知f(x+1)=x2-5x+4,则f(x)= A、x2-5x+3 B、x2-7x+10 C、x2-7x-10 D、x2-4x+6
若X2-X-2=0,则X2-X+1/(X2-X)2-4+根号3为多少
X2-4X十3=(X-___)-___
2X(X-3)=7X-6 3X2-2=4X
若x-2x-2=(x-4x+3)则x1= x2=
F(x)=2(x2)-3x (-1≤x≤2)F(x)=-(x2)+4x+8 (-4≤x≤4)F(x)=1/1-x(1-x)F(x)=更号下-(x2)+2x+8F(x)=2-更号下4x-(x2)F(x)=x+更号下2x-3
【4x/(x2(平方)+x+3)】+【5x/(x2(平方)-5x+3)】=-3/2
解一元二次方程,谢x2+12x=0,4x2-1=0,x2=7x,x2-4x-21=0,(x-1)(x+3)=12,3x2+2x-1=0
3/x2 -3x+2-1/x-2=1/x2 -x+4/x2 -2x
化简x(x2-3)+x2(x-3)-3x(x2-x-1)
(2-4x)/(x2-3x+2>=(x+1)(2-4x)/(x2-3x+2)>=(x+1)
(x2+2x)(x2+2x+4)-4 怎么因式分解
(x2+2x)(x2+2x+4)-4 怎么因式分解