217k views
17 votes
Simplify (2-7i)+(3+9i) step by step

User Juster
by
6.2k points

2 Answers

6 votes

Answer:

5 + 2i

Explanation:

1) Remove parentheses

2 - 7i + 3 + 9i

2) Collect like terms

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

3) Simplify

5 + 2i

User Moacy Barros
by
6.9k points
9 votes

Answer:

first identify the like terms;

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

(2+3-7i+9i)

5+2i

User Daniel Kobe
by
6.5k points
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