化简根号25x^2-10x+1(x

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化简根号25x^2-10x+1(x

化简根号25x^2-10x+1(x
化简根号25x^2-10x+1(x

化简根号25x^2-10x+1(x
√(25x²-10x+1)=√(5x-1)²=|5x-1|
因为x