Toán Lớp 8: Tìm x biết
(x+5)^3
Tl nhanh hộ mk vs ạ
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Toán Lớp 8: Tìm x biết
(x+5)^3
Tl nhanh hộ mk vs ạ
Comments ( 2 )
=x^3+3.x^2.5+3x.5^2+5^3
=x^3+15x^2+75x+125