运用提公因式因式分解题doc10道
问题描述:
运用提公因式因式分解题doc10道
答
1.(2x+1)(x+1)+(2x+1)(x-3)=
2. (x+2)(x-3)+(x+2)(x+4)=
3.(x+6)(x-6)-(x-6)=
4.3(x+2)(x-5)-(x+2)(x-3)=
5.(x+2)-2(x+2)²=
6.(2x+1)(x-3)-(2x+1)(x-5)=
7. y² (x-y)+z² (y-x)=
8.x²-4x-ax+2a=
9.2ax²-3x+2ax-3=
10. x(y+2)-x-y-1=