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vanbmt0405
2 năm trước
giải giúp mik vs ạ câu 1 5(3x-4) - 2(4x-3) = 15 câu 2 ) 3-2x phần 15 - x phần 3 = 3x-2 phần 5 câu 3) (x+1) (2x+7) = (3x-3) (2x+7) câu 4) x phần x +3 - 2x phần x-3 - 3x phần x^2 - 9 = 0 mik cảm ơn các bạn nhiều lắm
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