分解因式-xy+4x^2y-4x^3y
问题描述:
分解因式-xy+4x^2y-4x^3y
答
-xy+4x^2y-4x^3y
=-xy(1-4x+4x²)
=-xy(2x-1)²
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,化简:a-1分之(a^2-2a+1)-(a-2)a-1分之(a^2-2a+1)-(a-2)=(a-1)²/(a-1)-(a-2)=a-1-a+2=1;