Simplify the following expressions. 1) (6+6i) - (2+i) 2) (9+4i)(9+4i) 3) (8+i)(2+7i)

asked Feb 9, 2018 3.7k views

0 votes

Simplify the following expressions.

1) (6+6i) - (2+i)
2) (9+4i)(9+4i)
3) (8+i)(2+7i)

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6 votes

1, 4-7i
2. 65+72i
3. 9+58i

8.2k points