Question

write the product or quotient in standard form -8i(3-i)

Answer 1

8i(3-i)=24i-8 i*i=24i-8(-1)=8+24i

Answer 2

so is the answer 8+24i ?

Answer 3

yes, do you understand why?

Answer 4

no can you help explain?

Answer 5

do you know that i * i = -1 ?

Answer 6

yes

Answer 7

o wait i get it! thanks!

Answer 8

i = sqrt(-1)

so i * i = sqrt(-1) * sqrt(-1) = sqrt(-1)^2 =-1

I didn't see the negative in front of -8i(3-i). So take my answer above and negate it. Answer should be -8-24i

-8 * i * 3 = -24i

See that?