Question

(6-7i)^2

Answer 1

(a+bi)^2
=a^2+2abi+b^2i^2
=a^2+2abi-b^2
=(a^2-b^2)+2abi

Answer 2

(a+b)^2 formula.....

Answer 3

where ever you get i^2 replace it with -1

Answer 4

what is the answer to my question?

Answer 5

85-84i if you're so desperate

I tell you what it won't help you

Answer 6

What matters is that you get the concept

Answer 7

oh ok

Answer 8

thanks anyway

Answer 9

wait

Answer 10

Sorry it should be -13-84i

Answer 11

oh thank you

Answer 12

what about (2+3i)(1-i)

Answer 13

ok I can't stand it if you're so desperate about the answer http://wolframalpha.com/

Answer 14

And this is why I stopped spoonfeeding

Answer 15

hhahaahahahahaha

Answer 16

come on guys

Answer 17

http://www.wolframalpha.com/input/?i=%282%2B3i%29%281-i%29

Answer 18

thanks

Answer 19

do you guys get paid for doing this

Answer 20

nope

Answer 21

but if a calculator can get you what you want, why find us

Answer 22

cause i don't have a calculator that can simplify this equation

Answer 23

http://www.wolframalpha.com/input/?i=%282%2B3i%29%281-i%29

Answer 24

I've given you the link thrice.

Answer 25

WolframAlpha is an online calculator

Answer 26

ya i tried it thanks

Answer 27

no problem

Answer 28

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Answer 29

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Answer 30

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Answer 31

qwerty

Answer 32

uiop

Answer 33

how old are you

Answer 34

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