因式分解 m^2-4mn+4n^2-3m+6n+2
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因式分解 m^2-4mn+4n^2-3m+6n+2
m^2-4mn+4n^2-3m+6n+2
=(m^2-4mn+4n^2)-(3m-6n)+2
=(m-2n)²-3(m-2n)+2
=(m-2n-1)(m-2n-2)
=(m^2-4mn+4n^2)-(3m-6n)+2
=(m-2n)²-3(m-2n)+2
=(m-2n-1)(m-2n-2)