cac Ban giup minh giai bai 35b va 36a voi a Cam on rat nhieu
giai phuong trinh
x- \(\sqrt{x-15}\)=17
giai phuong trinh \(\sqrt{2x+1}-\sqrt{3x}=x-1\)
giai phuong trinh \(x^2-5x+4=2\sqrt{2x-4}\)
Giai phuong trinh:
\(x^4+\sqrt{x^2+3}=3\)
Giai pt : \(\sqrt{x^2-9}+\sqrt{x^2-6x+9}=0\)
Giai phuong trinh \(\sqrt{x-3}-\sqrt{7x-3}=\sqrt{5x-2}\)
Giai phuong trinh \(\sqrt{x^3+15}+2=\sqrt{x^3+8}+3x\)
Giai phuong trinh
\(\sqrt{6x-1}+\sqrt{9x^2-1}=6x-9x^2\)