几道因式分解,急啊!急啊!要过程和答案!(超仔细哦!)1:XY+YZ 2:X²-2X+1=0 3:X²+5X=0 4:X²-2X+1=0

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几道因式分解,急啊!急啊!要过程和答案!(超仔细哦!)1:XY+YZ         2:X²-2X+1=0 3:X²+5X=0 4:X²-2X+1=0
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几道因式分解,急啊!急啊!要过程和答案!(超仔细哦!)1:XY+YZ 2:X²-2X+1=0 3:X²+5X=0 4:X²-2X+1=0
几道因式分解,急啊!急啊!要过程和答案!(超仔细哦!)
1:XY+YZ
2:X²-2X+1=0
3:X²+5X=0
4:X²-2X+1=0

几道因式分解,急啊!急啊!要过程和答案!(超仔细哦!)1:XY+YZ 2:X²-2X+1=0 3:X²+5X=0 4:X²-2X+1=0
XY+YZ
= Y(X+Z)
2:X²-2X+1=0
(X-1)²=0
X-1=0
X = 1
3:X²+5X=0
X(X+5)=0
X=0或 X =-5
4:X²-2X+1=0
(X-1)²=0
X-1 =0
X = 1