Question

simplify the expression

(-4 + 7i)(-4 + 7i)

Answer 1

(-4 + 7i)(-4 + 7i) = -33-56 i

Answer 2

-33 - 56i

Answer 3

Just use the foil method...

Answer 4

In polar form \[65 \angle -120.51° \]

Answer 5

@krammer Is that one of your options?

Answer 6

just a sec

Answer 7

no its not

Answer 8

type my options

Answer 9

i will

Answer 10

Yeah, give me your options.

Answer 11

16 - 14i
65
-65
23i

Answer 12

if it's 65 the p is from your expression, prolly it was (-4+7i)(-4-7i)

Answer 13

oh ya i put a + instead of a -
you have it right

Answer 14

No, i think it's 16 - 14i

Answer 15

i will go with your answer lindsey

Answer 16

What's the q and you could post the answers aswell to confirm

Answer 17

When you google it, it comes up 65, but when I do foil by myself it comes up as 16 - 49i

Answer 18

So go with the 65

Answer 19

ok

Answer 20

Just because google knows best ;)

Answer 21

Sorry, about that :(

Answer 22

that sok

Answer 23

ok