abby7912 abby7912 23-03-2021 Mathematics contestada SIMPLIFY: (2a² + 6a + 14) + (-4a² + 3a - 9) -6a² + 9a +5 -2a² + 3a + 5 -2a² + 9a + 5 2a? + 9a + 5 Click on the correct answer. At