Vam4r4onHanJennisaw Vam4r4onHanJennisaw 02-03-2017 Mathematics contestada What are the values of a, b, and c in this equation? x^2+4x-21=0 a = 1, b = 4, c = - 21 a = 1, b = 4, c = 21 a = 0, b = 4, c = - 21 a = 0, b = 4, c = 21
