3a²-7a-b -x²y+6xy-8y²这两题分解公因式怎么解?

相关推荐

• 3a²-7a-b -x²y+6xy-8y²这两题分解公因式怎么解?
• 3a²-7a-b -x²y+6xy-8y²这两题分解公因式怎么解?
• 1,(x+y)²-(x+y),2,（x-y）²-（x-y）³2,（x-y）²-（y-x）³ 用分解公因式算(1).2(x-y)-3(y-x)²（2）.4ad(a+b)²-6a²b(a+b)(3).(x+y)²(x-y)+（x+y)(x-y)²(4).2a(a-3)²-6a²(3-a)+8a(a-3)(5)24xy²z²(x+y-z)-32xyz(z-x-y)²+8xyz³(z-x-y)用分解公因式
• （2分之1-2x-4分之1）除以2x²-8分之x-3