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i 1: Giải các phương trình sau: b/ (8x + 4)(3x-9) = 0 c/ (x+2)(x2- 2x + 4) - x (x - 3) (x+3) = 0 d/ x2 – 5x + 3(5 - x) = 0 Bài 2: Giải các phương trình sau: a/ (4x -5)2 – (2x+5)2 = 0 b/ c/ d/ x3 - x2- x - 2= 0 giải giúp em với cảm ơn anh chị nhé
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