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a) (x-1)(5x+3)=(3x-8)(x-1) b) (x+2)(x-3)+(5-2x)(x-3)=0 c) (2x-1)(3x+2)+(6-4x)(2x-1)=0 d) 3x(x+2)-5(x+2)=0 Giúp mình với, câu nào cũng được!!
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