3(x-3)的平方-6(3-x)

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3(x-3)的平方-6(3-x)

3(x-3)的平方-6(3-x)
3(x-3)的平方-6(3-x)

3(x-3)的平方-6(3-x)
3(x-3)的平方-6(3-x)
=3(x-3)²+6(x-3)
=3(x-3)[(x-3)+2]
=3(x-3)(x-1)
肯定对

3(x-3)的平方-6(3-x)
=3(x-3)²+6(x-3)
=3(x-3)[(x-3)+2]
=3(x-3)(x-1)

=3(x-3)²+6(x-3)
=3(x-3)(x-3+2)
=3(x-3)(x-1)

3(x-3)的平方-6(3-x)
=3(x-3)(x-3+2)
=3(x-3)(x-1)