giai phuong trinh:\(\sqrt{4x^2+5x+1}\) -2\(\sqrt{x^2-x-1}\)=3-9x
GIAI PHUONG TRINH:
\(2\left(\sqrt{\frac{x-1}{4}-3}\right)=2\sqrt{\frac{4x-4}{9}}-\frac{1}{3}\)
giai phuong trinh \(\sqrt{5x^2+6x+5}\)= \(\frac{64x^3+4x}{5x^2+6x+6}\)
giai phuong trinh
x*(2x+3)2 -4x2+9=0
\(x-\sqrt{x-3}-5=0\)
\(x^3-4x^2-3x+6=0\)
\(3x^3+4x^2-5x-6=0\)
\(\sqrt{x^2+4x+8}+\sqrt{x^2+4x+4}=\sqrt{2\cdot\left(x^2+4x+6\right)}\)
$\sqrt{25x^2+80x+64}+\sqrt{9x^2-6x+1}=\sqrt{4x^2+36x+81}$
Giai phuong trinh
giai phuong trinh
a) \(\sqrt{3x^2-7x+3}-\sqrt{x^2-2}=\sqrt{3x^2-5x-1}-\sqrt{x^2-3x+4}\)
b) x2 - 25 = y ( y + 6 ) (x; y nguyên)
giai phuong trinh \(\sqrt[4]{x+1}+\sqrt[4]{1-x}+\sqrt[4]{1-x^2}=3\)
$\sqrt{25x^2+80x+64}+\sqrt{9x^2-6x+1}=\sqrt{4x^2+36x+81}$
giai phuong trinh
giai phuong trinh
\(\sqrt{2x-3}+\sqrt{5x-2}=3x^2-12x+14\)
