macymack macymack 03-03-2021 Mathematics contestada What is the coefficient of x² -14x + 49=0 :Wich one? :A. a=2, b=-14, c=49B. a=1, b=-14, c=49C. a=-14, b=49, C=1D. a=49, b=-14, C=1E. a=1, b=49, C=-14I need your help