八年级数学上册整式乘法与因式分解特训

2023-12-06
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八年级数学上册整式乘法与因式分解特训


简介:
1、计算:(1)(ab2)2·(-a3b)3÷(-5ab);=a²b4•(﹣a9b3)÷(﹣5ab), =1/5a10b6(2)3a(2a2-9a+3)-4a(2a-1)=6a³-27a²+9a8a²+4a=6a3-35a2+13a2、分解因式:(1)m2-6m+9 (m-3)2(2) (x+y)2+2(x+y)+1=(x+y+1)2