alexisburgess alexisburgess 13-02-2017 Mathematics contestada Factor completely −4x2 + 16x − 24. (4 points) Select one: a. −1(x2 − 16x + 24) b. −4(x2 − 4x + 6) c. −4x(x2 − 4x + 6) d. −4(x2 + 4x − 6)