Question

Factor completely: -7x^2 + 14x - 21

Answer 1

one sec i gotta work it out on paper i cnt do this one in my head.

Answer 2

faster, faster! x)
lols you're doing a great job @Cemantha :)

Answer 3

thats cool i don't mind i just need an explanation

Answer 4

\(\Large \color{purple}{\rightarrow 7(-x^2 + 2x - 3) }\)

Answer 5

Or alternatively, you can do quadratic factoring.

Answer 6

ahhhhhhh i see where i made the mistake i had -7(x^2 + 2x - 3)

Answer 7

i forgot the negative on the x ughh -_-

Answer 8

Hahaha dw

Answer 9

hheeeeyyyyy lol i ws almost dne lol its ok hehe

Answer 10

You had to find the greatest common factor and put that outside the bracket.

Answer 11

yeah @parth you're not supposed to "snipe" answers.

Answer 12

right Cemantha go ahead and show me your way

Answer 13

@rebeccaskell94 I just told thim

Answer 14

I'll have becca give you a medal for trying! ^_^

Answer 15

@ParthKohli but you should've have waited for Cemantaha, she made it clear she was working on it :/

Answer 16

The greatest common factor was 7 or -7(you could've done both but 7 is for convenience)

Answer 17

it was the same thing he had though put i didnt really work it out i js pulled it apart

Answer 18

@rebeccaskell94 lol, she could've done it on here :P

Answer 19

alright becca could you give cemantha a medal please i gave one to parth so they both got it

Answer 20

I can factor further.

Answer 21

if you want to sure i could see that too

Answer 22

Yeah I'll give the chica one :)

Answer 23

i put -7(x^2+2x-3) thnk yu for the medal =)

Answer 24

Fan me=)

Answer 25

alrigth thanks for the help i got like 2 more questions if you don't mind?

Answer 26

Wait, this is prime.

Answer 27

Cannot be factored further.

Answer 28

alright cool thanks man! I'm gonna post another question

Answer 29

Go ahead brotha