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2 votes
Indicated operation and write the result in the form a+bi -9(-9i+4)+3(8+8i)

User Andysando
by
4.2k points

2 Answers

5 votes

Answer:

-12 + 105i

Explanation:

-9(-9i+4)+3(8+8i)

81i - 36 + 24 + 24i

-12 + 105i

User Yshrsmz
by
4.4k points
5 votes

Answer:

-12 + 105i

Explanation:

-9(-9i+4)+3(8+8i)

Distribute

81i -36 +24 +24i

Combine like terms

-36 +24 + 81i +24i

-12 + 105i

User Bonyiii
by
4.6k points