x^2-10x+9=O怎么解?

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x^2-10x+9=O怎么解?x^2-10x+9=O怎么解?x^2-10x+9=O怎么解?(x-1)(x-9)=0x=1或x=9

x^2-10x+9=O怎么解?
x^2-10x+9=O怎么解?

x^2-10x+9=O怎么解?
(x-1)(x-9)=0
x=1或x=9