Question

2i(7-8i)

Answer 1

16 + 14i

Answer 2

16+ 14i :)

Answer 3

use the distributive law

2i* 7 - 2i*8i

Answer 4

=14i-16i^2=16+14i-------->i^2=-1

Answer 5

do you know what i^2 equals?

Answer 6

2i(7-8i)
Distribute 2i over to 7 and -8i

14i-16i^2.... if you have i^2 that is the same as -1, so replce i^2 with -1

14i-16(-1)

14i+16

Answer 7

to some of you guys please give explanations when you answer questions - not just the solution

Answer 8

thank you (: