What is the intermediate step in the form (x+a)^2=b as a result of the following equation -3x^2-63x-194=15x+1 please help i have this due by 8pm ive been trying for three hours :,(

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv