Question

(3+7i)(-2-2i)-4i(5-9i)

Answer 1

(3+7i)(-2-2i)-4i(5-9i)

(3+7i)(-2-2i)(-20i+36i<2)

Combine like terms:

(3-2)(7i-20i)(36i<2)

1-13i+36i<2

This is the eqaution simplified