Solve each of the following equations using a method other than the Quadratic Formula.
A.y^2 - 6y=0
B. n^2+5n +7= 7
C. 2t^2 -14t +3=3
D. 1/3x^2 +3x– 4=-4
E. Zero is a solution to each of the above equations. What do all of the above equations have in common that causes them to have zero as a solution?​