解方程:x²-5x+4=0
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解方程:x²-5x+4=0
解方程:x²-5x+4=0
解方程:x²-5x+4=0
(x-4)(x-1)=0 x=4or1
(x-1)(x-4)=0
x=1或x=4
x²-5x+4=0
(x-4)(x-1)=0
x1=4 x2=1
不懂可追问,有帮助请采纳,谢谢!
原式=(x-1)(x-4)
X1=1 X2=4