Toán Lớp 8: (x³+3x²-8x-20):(x+2) giúp mình vs ạ
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Toán Lớp 8: (x³+3x²-8x-20):(x+2) giúp mình vs ạ
Comments ( 2 )
(x3+3×2−8x−20):(x+2)
=[(x+2)(x2+x−10)]:(x+2)
=x²+x−10
Đây ạ ????