Question

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

Answer 1

-12 + 105i

Explanation:

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

81i - 36 + 24 + 24i

-12 + 105i

Answer 2

-12 + 105i

Explanation:

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

Distribute

81i -36 +24 +24i

Combine like terms

-36 +24 + 81i +24i

-12 + 105i