1 It seems that Susun does not like English very much.
2 3x²-12x=-12
3x²-12x+12=0
( x-2)(3x-6)=0
所以 x-2=0 则 x =2
或
3x-6=0 则 x=2
所以 x =2
1 It seems that Susun does not like English very much.
2 3x²-12x=-12
3x²-12x+12=0
( x-2)(3x-6)=0
所以 x-2=0 则 x =2
或
3x-6=0 则 x=2
所以 x =2