Question

Indicate the correct grouping to subtract 2 +6 i from 7 +9i

Answer 1

Answer:

5 + 3i

Step-by-step explanation:

7 + 9i - (2 + 6i) ← distribute parenthesis by - 1

= 7 + 9i - 2 - 6i

= (7 - 2) + (9i -6i)

= 5 + 3i