1\(\left\{{}\begin{matrix}xy\left(x+y\right)=2\\x^3+y^3+x^3y^3+7\left(x+1\right)\left(y+1\right)=31\end{matrix}\right.\)
2 giải pt \(9+3\sqrt{x\left(3-2x\right)}=7\sqrt{x}+5\sqrt{3-2x}\)
Giải PT: \(2x^2.\left(2x^2+3\right)=2-x^2\)
Giải PT: \(\sqrt{x-1}+\sqrt{x+3}+2\sqrt{\left(x-1\right).\left(x^2-3x+5\right)}=4-2x\)
giải pt
a) \(\dfrac{2x^3-3x-10}{\left(2-x\right)^3}=-2\)
b) \(\left(x^2-2x\right)^2-2\left(x-1\right)^2-1=0\)
Giải hệ pt:
\(\left\{{}\begin{matrix}\left(x-1\right)\left(y-1\right)\left(x+y-2\right)=6\\x^2+y^2-2x-2y=3\end{matrix}\right.\)
Giải PT: \(\sqrt{x+5}+\sqrt{3-x}-2.\left(\sqrt{15-2x-x^2}+1\right)=0\)
Giải hệ pt:
\(\left\{{}\begin{matrix}x^3+y^3+3xy=1\\\sqrt{\left(4-x\right)\left(13-y\right)}=\dfrac{2x+2y+25}{2x+y+2}\end{matrix}\right.\)
Giải pt :
\(3\left(x^2+2x+2\right)=10\sqrt{x^3+2x^2+2x+1}\)
Giải PT : \(x^2+4x+5=2\sqrt{2x+3}\) Giải hệ PT : \(\left\{{}\begin{matrix}x\left(x+3y\right)=4\\4y^2=5-xy\end{matrix}\right.\)