Ааааа сос!!!!!!!!!!!!!!!!!!!!!!!!!!

1.[latex]2x^2-12x-1=2(1-2x) \ 2x^2-8x-3=0 \ D=64-4*2*(-3)= 88 \ x1= frac{8- sqrt{88} }{4} \ x2= frac{8+ sqrt{88} }{4} [/latex]2.[latex] frac{x^2-y^2}{2xy}* frac{2y}{x-y} = frac{x^2-2y^3}{2x^2y-2xy^2} [/latex]