Toán Lớp 8: (x-1)(x^2+x+1)-x(x+2)(x-2) = 5. Tìm x
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Toán Lớp 8: (x-1)(x^2+x+1)-x(x+2)(x-2) = 5. Tìm x
Comments ( 2 )
$<=>x^3-1-x(x^2-4)=5$
$<=>4x=6$
$<=>x=3/2$