TMobile LTE 535 AM coursesapexlearningcom SUBMIT Question 12

T-Mobile LTE 5:35 AM courses.apexlearning.com SUBMIT Question 12 of 41 Multiple Choice: Please select the best answer and click \"submit.\" Which of the following is equivalent to the expression below? O A. 12-5i B. 12-3 O C. 2-3 O D. 2-5i

Solution

(5+i)+(7-4i)

Open the bracket

= 5+i+7-4i

= 5+7+i-4i

=12-3i