rreggimann rreggimann 20-10-2022 Mathematics contestada Simplify the expression: (4 − 7i) + (1 − 2i). 3 − 9i 3 − 5i 5 − 9i 5 What is the solution to x2 – 9x < –18? x < –6 or x > 3 –6 < x < 3 x < 3 or x > 6 3 < x < 6− 5i