Toán Lớp 8: Nhân ,chia đa thức:
(2(x-y)3-7(y-x)2-(y-x)):(x-y)
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Toán Lớp 8: Nhân ,chia đa thức:
(2(x-y)3-7(y-x)2-(y-x)):(x-y)
Comments ( 2 )
=[2(x-y)^3 -7(y-x)^2 +(x-y)]:(x-y)
=2(x-y)^2 +7(x-y) +1