Помогите решить системы уравнений,пожалуйста !
Заранее спасибо!

$left { {{2y^2-xy=3; ; |cdot (-2)} atop {y^2+4xy-3x^2=6}} right. ; oplus ;; left { {{2y^2-xy=3} atop {-3y^2+6xy-3x^2=0}} right. 3y^2-6xy+3x^2=0; |:3x^2(frac{y}{x})^2-2cdot frac{y}{x}+1=0t=frac{y}{x}; ; ; ,; ; ; t^2-2t+1=0; ,; ; ; (t-1)^2=0; ,; ; ; t=1frac{y}{x}=1; ; Rightarrow ; ; y=x left { {{2y^2-xy=3} atop {y=x}} right. ; ,; left { {{2x^2-x^2=3} atop {y=x}} right. ; ,; left { {{x^2=3} atop {y=x}} right.$

$left { {{x=pm sqrt3} atop {y=pm sqrt3}} right. ; ; Rightarrow ; ; Otvet:; ; (sqrt3,sqrt3); ;; (-sqrt3,-sqrt3)$

$2); left { {{3y^2-2xy=10} atop {y^2-3xy-2x^2=5|cdot (-2)}} right. oplus ; left { {{3y^2-2xy=10} atop {y^2+4xy+4x^2=0|:x^2}} right. ; left { {{3y^2-2xy=10} atop {(frac{y}{x})^2+4cdot frac{y}{x}+4=0}} right. t=frac{y}{x}; ,; ; ; t^2+4t+4=0,; ; ; (t+2)^2=0,; ; ; t=-2frac{y}{x}=-2,; ; y=-2x left { {{3y^2-2xy=10} atop {y=-2x}} right. ; ,; left { {{12x^2+4x^2=10} atop {y=-2x}} ,; left { {{x^2=frac{5}{8}} atop {y=-2x}} right. right. ,$

$left { {{x=pm sqrt{frac{5}{8}}} atop {y=-2cdot sqrt{frac{5}{8}}}; ili; y=2cdot sqrt{frac{5}{8}}} right. ; ; RightarrowOtvet:; ; (sqrt{frac{5}{8}}; ;; 2sqrt{frac{5}{8}}); ,; (-sqrt{frac{5}{8}}; ;2sqrt{frac{5}{8}}).$