Question

Multiply and simplify (5-3i)(6+2i)

a) 24-8i
b) 24+8i
c) 30-2i
d) 36-8i

Answer 1

what do you think?

Answer 2

I think C

Answer 3

hmmmmm not quite....lets first expand the equation.

Answer 4

--------> 30+10ı−18ı+6

Answer 5

then you gather like terms :)

Answer 6

--------------->(30+6)+(10ı−18ı)

Answer 7

then you simplify :)

Answer 8

36−8ı

Answer 9

that's your answer :)

Answer 10

thank you!(:

Answer 11

your welcome! :)