(2m-3m)的平方-2m+3m 等因式分解

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(2m-3m)的平方-2m+3m等因式分解(2m-3m)的平方-2m+3m等因式分解(2m-3m)的平方-2m+3m等因式分解(2m-3m)²-2m+3m=(-m)²-2m+3m=

(2m-3m)的平方-2m+3m 等因式分解
(2m-3m)的平方-2m+3m 等因式分解

(2m-3m)的平方-2m+3m 等因式分解
(2m-3m)²-2m+3m
=(-m)²-2m+3m
=m²-2m+3m
=m(m-2+3)
=m(m-1)

=m平方+m=m(m+1)