求一道因式分解题x^2-y^2-x+1/4

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求一道因式分解题x^2-y^2-x+1/4求一道因式分解题x^2-y^2-x+1/4求一道因式分解题x^2-y^2-x+1/4x²-y²-x+1/4=(x²-x+1/4)

求一道因式分解题x^2-y^2-x+1/4
求一道因式分解题x^2-y^2-x+1/4

求一道因式分解题x^2-y^2-x+1/4
x²-y²-x+1/4
=(x²-x+1/4)-y²
=(x-1/2)²-y²
=(x-y-1/2)*(x+y-1/2)

(x-1/2)^2-y^2
=(x-1/2+y)(x-1/2-y)