193k views
1 vote
(2-I)(3+5i) multiple

User Tafchad
by
6.2k points

1 Answer

7 votes

Answer:

ii-7i

Step-by-step explanation:

These can be multiplied in a manner similar to expanding brackets:

(

2

+

i

)

(

3

5

i

)

=

6

+

3

i

10

i

5

i

2

Remember that

i

=

1

so

i

2

=

1

This will in turn allow us to gather the like terms like so:

6

+

5

+

3

i

10

i

=

11

7

i

User Nanachan
by
6.0k points
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