Destinyyyy
  • Destinyyyy
Needing assistance with "Factor the polynomial using the grouping number method"
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Destinyyyy
  • Destinyyyy
4a^2 -7a+3 (4)(3)=12 Product-- --> Sum (-1)(-12)=12--> -13 (-2)(-6)=12 -->-8 (-3)(-4)=12 -->-7 <-- 4a^2 -7a+3= 4a^2 -3a-4a+3 (4a^2 -3a) - (-4a+3) ---Stuck here
pooja195
  • pooja195
lets switch it \[\huge~\rm ~(4a^2 --4a) - (3a+3)\]
pooja195
  • pooja195
lets switch it \[\huge~\rm ~(4a^2 +4a) - (3a+3)\]

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More answers

pooja195
  • pooja195
now you can solve it :)
Destinyyyy
  • Destinyyyy
Why'd you switch it though????? O.o
pooja195
  • pooja195
To make it easier to solve
pooja195
  • pooja195
it doesnt matter what order you put the a's in
Destinyyyy
  • Destinyyyy
Answer-- (a+1)(4a-3)
Destinyyyy
  • Destinyyyy
You just switch them around? Theres no minus or plus to cross then to the other side?
pooja195
  • pooja195
yes thats right :)
Destinyyyy
  • Destinyyyy
Alright I have another one
pooja195
  • pooja195
ok repost it :)
Destinyyyy
  • Destinyyyy
4x^2 +7x+3 (4)(3)=12 Same product as before (-3)(-4)=12-->-7 4x^2 +7x+3= 4x^2 -3x-4x+3 (4x^2 -3x) - (-4x+3)
pooja195
  • pooja195
same thing \[\huge~\rm~(4x^2 -3x) - (-4x+3)\] \[\huge~\rm~(4x^2 +4x) - (-3x+3)\]
Destinyyyy
  • Destinyyyy
Answer-- (x+1)(4x-3)
pooja195
  • pooja195
somethings wrong..... :L (x+1)(4x-3) (x+1)(4x+3) <--answer
Destinyyyy
  • Destinyyyy
Okay!
pooja195
  • pooja195
hope i helped :)
Destinyyyy
  • Destinyyyy
I got the first one wrong.. Correct answer-- (4a-3)(a-1)
pooja195
  • pooja195
It was your math... However switching it does not make a diffrence.
pooja195
  • pooja195
But that should have been right.... :/
Destinyyyy
  • Destinyyyy
You told me + and a - the correct answer had two - Your switching told me to change the signs. My math was correct till then
pooja195
  • pooja195
oh right the signs i think i made a mistake in switching the signs! sorry! :( Did you get the 2nd one right?
Destinyyyy
  • Destinyyyy
Yes the second one was correct.. Its fine I still got a 90%
pooja195
  • pooja195
hmmm sorry about that its still an A :/ sorry :(
Destinyyyy
  • Destinyyyy
Its okay just wish I had check it.. Thank you for your help
pooja195
  • pooja195
:)

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