(m+n)^2-8(m^2-n^2)+16(m-n)^2= 用因式分解

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(m+n)^2-8(m^2-n^2)+16(m-n)^2=用因式分解(m+n)^2-8(m^2-n^2)+16(m-n)^2=用因式分解(m+n)^2-8(m^2-n^2)+16(m-n)^2=用因式

(m+n)^2-8(m^2-n^2)+16(m-n)^2= 用因式分解
(m+n)^2-8(m^2-n^2)+16(m-n)^2= 用因式分解

(m+n)^2-8(m^2-n^2)+16(m-n)^2= 用因式分解
(m+n)^2-8(m^2-n^2)+16(m-n)^2
=(m+n)^2-2×4(m-n)(m+n)+[4(m-n)]^2
=[(m+n)-4(m-n)]^2
=(m+n-4m+4n)^2
=(-3m+5n)^2
=(5n-3m)^2