x^2-y^2-2x+1 分解因式·高手请进

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x^2-y^2-2x+1分解因式·高手请进x^2-y^2-2x+1分解因式·高手请进x^2-y^2-2x+1分解因式·高手请进x^2-y^2-2x+1=(x^2-2x+1)-y^2=(x-1)^2-y

x^2-y^2-2x+1 分解因式·高手请进
x^2-y^2-2x+1 分解因式·高手请进

x^2-y^2-2x+1 分解因式·高手请进
x^2-y^2-2x+1
= (x^2 -2x +1) - y^2
= (x-1)^2 - y^2
=(x-1+y)(x-1-y)

(x-y)(x+y)-2x-1