melaniecruz349 melaniecruz349 10-03-2021 Mathematics contestada PLEASE HELP ME!!!!!!!!!! MUST SHOW ALL WORK 5x2 + 2x - 3 = 0 14x2 - 5x - 1 = 0 15x2 - 2x - 1 = 0 6x2 + 11x - 2 = 0 2x2 - 5x - 7 = 0