T
talata0166


giai giup minh bai nay voi:
giai phuong trinh:[tex](3x+1)sqrt{2x^2-1}=5x^2+1.5x-3[/tex]
giai phuong trinh:[tex](3x+1)sqrt{2x^2-1}=5x^2+1.5x-3[/tex]
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