Question

(1 + 3i) + (2 − 5i)

Answer 1

remove the parentheses
and combine like terms ! :)

Answer 2

alrighty

Answer 3

Well this is pretty easy.

Like the answer above,

remove the parenthesis

1 + 3i + 2 − 5i

Combine like terms.

1 + 2 + 3i - 5i

Then you get...

1+ 2 = 3
3i - 5i = -2i

~~~~~~~~~~~ = 3 - 2i

Answer 4

ohhh... ok i see now... so here's another example (−3 + 2i) • (2 + i)

Answer 5

the answer is -8+I RIGHT?

Answer 6

Yes :D