chaiyanne chaiyanne 09-03-2021 Mathematics contestada Expand the following. In other words, remove the parentheses (brackets): 7x(3y - 4x + 2) A 21xy - 28x2 + 14 B 21xy - 282 + 14 C21xy - 28x2 + 14x D 21xy + 28xz + 14x