What are the solutions of 2x2 + 3x= −8? (6 points) select one: a. the quantity negative 3 plus or minus i square root of 41 all over 4 b. the quantity negative 3 plus or minus i square root of 55 all over 4 c. the quantity negative 3 plus or minus i square root of 21 all over 4 d. the quantity negative 3 plus or minus i square root of 15 all over 4