anonymous
  • anonymous
3-2{7x-[-2(3x-1)+3(5x-3^2)]} I feel like i got it buttttt get confused plzz hpl
Mathematics
jamiebookeater
  • jamiebookeater
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Vocaloid
  • Vocaloid
start from the innermost parentheses/brackets and work your way outside let's start with -2(3x-1) = ?
anonymous
  • anonymous
+6x + 2?
Vocaloid
  • Vocaloid
almost, check the sign on 6x

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anonymous
  • anonymous
i get confused with the negatives and positives..
anonymous
  • anonymous
oh -6x
Vocaloid
  • Vocaloid
right
anonymous
  • anonymous
Can i show you how i wrote it?
Vocaloid
  • Vocaloid
negative*positive = negative
Vocaloid
  • Vocaloid
sure
anonymous
  • anonymous
3-2 {7x-[-6x+2) + (15x-27)] 3+ - 14x + 12x -4 + -30x +54 i think im doing something wrong.. i dont know
freckles
  • freckles
you did all of that in one step? if so I think you are doing too many steps in one step
anonymous
  • anonymous
what ?
freckles
  • freckles
I'm just saying because you did so many steps in one step you have made a couple of mistakes
anonymous
  • anonymous
maybe..
freckles
  • freckles
no i'm sure
freckles
  • freckles
I think @Vocaloid was going to take you through the process
anonymous
  • anonymous
Yeah idk
freckles
  • freckles
if i were you I would use the distributive property for the inner parts then move on to the outer parts
dinamix
  • dinamix
@glitterythings [-2(3x-1)+3(5x-3^2)] find this first and after {7x-[-2(3x-1)+3(5x-3^2)]}
anonymous
  • anonymous
I did that i thought , i might of skipped a step hold on
anonymous
  • anonymous
Ill just figure it out myself thank you guys!
freckles
  • freckles
\[3-2{7x-[-2(3x-1)+3(5x-3^2)]} \\ \text{ like first things I would do } \\ -2(3x-1) \text{ and } 3(5x-3^2)\]
anonymous
  • anonymous
I did that.. but i didnt put it in
freckles
  • freckles
that problem did not copy over to latex well
dinamix
  • dinamix
[-2(3x-1)+3(5x-3^2)] = 9x-26
anonymous
  • anonymous
oh i get what you guys are trying to tell me
freckles
  • freckles
\[3-2\{7x-[-2(3x-1)+3(5x-3^2)]\}\] there we go
anonymous
  • anonymous
then it would be 3- 2{7x - [-2(3x-1) + 3(5x - 9)] right?
freckles
  • freckles
isn't that thing in the [ ] 9x-25?
freckles
  • freckles
dinamix
  • dinamix
yup it is
dinamix
  • dinamix
i make mistake
dinamix
  • dinamix
{7x-[-2(3x-1)+3(5x-3^2)]} =7x-9x+25 =-2x+25
freckles
  • freckles
\[3-2\{7x-[-2(3x-1)+3(5x-3^2)]\} \\ 3-2\{7x-[-6x+2+15x-27]\} \\ 3-2\{7x-[9x-25]\} \\ \]
freckles
  • freckles
anyways @glitterythings maybe you can try from here?
anonymous
  • anonymous
yeah i can !
dinamix
  • dinamix
@freckles u find it 4x-(4!+4!-1)
anonymous
  • anonymous
@dinamix im working on it rn :)
anonymous
  • anonymous
i got 4x - 47
dinamix
  • dinamix
yup @glitterythings this the answer ;D
anonymous
  • anonymous
Ty :D
anonymous
  • anonymous
i have another question it has to do the same thing , and i think i did it wrong lol.
dinamix
  • dinamix
anonymous
  • anonymous
4y^2 - 3 {2y^2 -[(4y^2-y+2) - (3y^2 +2y-5)]}
dinamix
  • dinamix
Start with this [(4y^2-y+2) - (3y^2 +2y-5)] u should try with me okey @glitterythings
anonymous
  • anonymous
i am i solved, but answer is wrong. The answer is supposed to be y^2 - 9y +21
anonymous
  • anonymous
ill re write again :)
anonymous
  • anonymous
does everything become negative except for 5?
dinamix
  • dinamix
u find it y^2-9y+21 ?
anonymous
  • anonymous
not yet
dinamix
  • dinamix
cuz i find like that
anonymous
  • anonymous
you did? ugh idk what im doing wrong
dinamix
  • dinamix
yup ,ok first i show my method start [(4y^2-y+2) - (3y^2 +2y-5)] this and tell me what u find okey
dinamix
  • dinamix
i want see where is your mistake
anonymous
  • anonymous
4y2 - 3y2 = 1 -y+2y = 1 2 + -5 = -3?
anonymous
  • anonymous
i might be doing my math wrong
dinamix
  • dinamix
yup i find your mistake u forget Distribution - on this equeation - (3y^2 +2y-5)
anonymous
  • anonymous
oh lol
anonymous
  • anonymous
it would be -3y2 -2y +5?
dinamix
  • dinamix
yup
dinamix
  • dinamix
u have to focus @glitterythings (sorry if i was rude)
anonymous
  • anonymous
so then [ y2 -3y + 7?]
anonymous
  • anonymous
you arent.
dinamix
  • dinamix
yup this
dinamix
  • dinamix
{2y^2 -[(4y^2-y+2) - (3y^2 +2y-5)]} now second try for this
dinamix
  • dinamix
anonymous
  • anonymous
oh i thought i did lol
dinamix
  • dinamix
so u find it @glitterythings
anonymous
  • anonymous
i think so.
anonymous
  • anonymous
y2 + 3y -7?
dinamix
  • dinamix
yup
anonymous
  • anonymous
OMG I FOUND ITT!
anonymous
  • anonymous
YAY THANKS SO MUCH!
dinamix
  • dinamix
we didnt do it really u have to complete it -_-
anonymous
  • anonymous
oh well i figured it out lol but okay lets complete it
dinamix
  • dinamix
give me your steps okey
anonymous
  • anonymous
so then you multiply by -3 4y2 -3 (y2+3y - 7) 4y2-3y2 - 9y +21 = y2 -9y+21
anonymous
  • anonymous
thank you for being patient w me.
dinamix
  • dinamix
yup this @glitterythings no problem u are welcome but i hope u understand the steps
anonymous
  • anonymous
yeah i do, its like PEMDAS and you have to solve everything in brackets,
dinamix
  • dinamix
ok that s make feel happy to help u ^^
anonymous
  • anonymous
:)
dinamix
  • dinamix
@glitterythings any other question ?

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