Question

precal help ugent!!

Answer 1

@Hero

Answer 2

What exactly is preventing you from solving this?

Answer 3

lack of knowledge as to the formula

Answer 4

standard form..

Answer 5

there is no formula. You just multiply it. You already know i = sqrt{-1}.

Answer 6

so (4,3)

Answer 7

?

Answer 8

@Hero

Answer 9

You're not supposed to get an (x,y) point as the answer. You're supposed to end up with a complex number of the form a + bi

Answer 10

4+3

Answer 11

?

Answer 12

What happened to the other part?

Answer 13

4-3i???

Answer 14

That's not what I got

Answer 15

what did you get

Answer 16

You should try doing linear multiplication

Answer 17

well can you explain it cause im really confused

Answer 18

7-4i @Hero

Answer 19

(2 - 3i)(2+i) = 2(2-3i) + i(2-3i) = 4 - 6i + 2i - 3i^2 = 4 - 4i -3(-1) = 4 + 3 - 4i = 7 - 4i

Answer 20

thank you