x^2-3ax+(2a+1)(a-1)这题怎么解?
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x^2-3ax+(2a+1)(a-1)这题怎么解?x^2-3ax+(2a+1)(a-1)这题怎么解?x^2-3ax+(2a+1)(a-1)这题怎么解?原式化成(X-A)(X-2A)-A-1x^2-3a
x^2-3ax+(2a+1)(a-1)这题怎么解?
x^2-3ax+(2a+1)(a-1)
这题怎么解?
x^2-3ax+(2a+1)(a-1)这题怎么解?
原式化成(X-A)(X-2A)-A-1
x^2-3ax+(2a+1)(a-1)
=[x-(2a+1)][x-(a-1)]
=(x-2a-1)(x-a+1)
十字相乘法分解因式啊孩子
x^2-ax-a-1
因式分解:x^3-ax^2-2ax+a^2-1
x^3+ax^2+ax+a-1因式分解谢谢了
因式分解:x^4+ax^3-(2a^2+1)x^2-ax+2a^2
x^2-3ax+(2a+1)(a-1)
ax^2-a^2x-x+a怎样因式分解为(x-a)(ax-1),
(ax-a²x)-2a²x+(3a²x-ax)+1等于多少?
把a+ax+ax^2+x^2-1因式分解
若A={x|ax^2-ax+1
关于x的不等式ax^2+ax+a-1
若集合A={x丨ax^2-ax+1
1/3(-3ax^2-ax+3)-(-ax^2-1/2ax-1),其中a=-2,x=3
2(ax+by)*(by-ax)-(ax+by)²-(by-ax)²,其中a=-3,x=2分之1
2a(x+1)^2-2ax
ax^2-(a+1)x+1
ax^2-(a-1)x+1
ax^2-(a-1)x+1
解不等式ax^2-x+1-a