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Vannho123
2 năm trước
giải pt a)(3x-2)(x+6)(x²+5)=0 b) (2x+5)²=(3x-1)² c) 4x²(x-1)-x+1=0 d) 9(2x+1)=4(x-5)² e) x^3-4x²-12x+27=0 f) x^3+3x²-6x-8=0
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