Toán Lớp 6: 3x^2-9x=0
Hứa vote 5 sao. please
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Toán Lớp 6: 3x^2-9x=0
Hứa vote 5 sao. please
Comments ( 2 )
$3x(x-3)=0$
$TH1: 3x=0$
$x=0$
$TH2: x-3=0$
$x=3$
Vậy x∈{0,3}