I wish I knew but someone will help you eventually
Answer:
first identify the like terms;
(2-7i)+(3+9i)
(2+3-7i+9i)
5+2i
5 1/4? Im not sure what the question is asking but whatever
Answer:
1
Step-by-step explanation:
substitute -2 for x
3(-2) + 7
-6 + 7
1
hope it helps :)
mark brainliest!!
