jewelotaku2001
  • jewelotaku2001
(7x^2 - x - 2) - (-6x^3 + 3)
Mathematics
chestercat
  • chestercat
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pooja195
  • pooja195
Distribute the negative first
pooja195
  • pooja195
\[\huge~- (-6x^3 + 3)\]
jewelotaku2001
  • jewelotaku2001
I'm confused...

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pooja195
  • pooja195
We need to distribute so that we can then combine like terms think of it as -1
pooja195
  • pooja195
\[\huge~- 1(-6x^3 + 3)\]
tkhunny
  • tkhunny
{mysterious voice} l - i - k - e t - e - r - m - s c o m b i n e l i k e t e r m s...
pooja195
  • pooja195
^thats later
tkhunny
  • tkhunny
With the mysterious voice, you can do it any time.
idku
  • idku
that is the problem. people don't know what like terms are and when you post a link they are mostly aren't willing to read it, even though all you got to do is to look at it. I will still attempt to post a link that explains what link terms are. http://www.mathsisfun.com/algebra/like-terms.html
idku
  • idku
oh, link terms, xD :) it should say "like terms"
tkhunny
  • tkhunny
Do this (7Dogs - Cat - 2Mice) - (-6Dogs3 + 3Mice)
tkhunny
  • tkhunny
'-' not '=', but otherwise...
pooja195
  • pooja195
when u distribute u get this \[\huge~7x^2 - x - 2+6x^3-3\] now just combine
tkhunny
  • tkhunny
Shall I use the mysterious voice, again?
pooja195
  • pooja195
-_-
jewelotaku2001
  • jewelotaku2001
So this: \[6x^3 + 7x^2 - x + -5\] Would that be it?
jewelotaku2001
  • jewelotaku2001
Just to put them here, the answer options are: A. 6x^3 + 7x^2 - x - 5 B. -6x^3 + 7x^2 - x + 1 C. -x^3 - x - 5 D. x^2 - x +1
pooja195
  • pooja195
thats correct
jewelotaku2001
  • jewelotaku2001
So would it be A?
pooja195
  • pooja195
yes
jewelotaku2001
  • jewelotaku2001
Thank you so much!! :3
pooja195
  • pooja195
:)
pooja195
  • pooja195
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