intersection between two parabolas

consider the sliders for a_1,b_1,c_1,a_2,b_2,c_2 then the parabolas y=a_1x^2+b_1x+c_1;y=a_2x^2+b_2x+c_2 .let A be the intersection of the two parabolas.create a dynamic text for xcoordinates and y coordinates of A