anonymous
  • anonymous
Can anyone help me with solving this polynomial question? Use a horizontal format to find the sum. (12x^2-x)+11x^3+(-9x^3+x^2-7)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
\[(12x^2-x)+11x^3+(-9x^3+x^2-7)\]
anonymous
  • anonymous
is that what you mean?
anonymous
  • anonymous
on it

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More answers

anonymous
  • anonymous
\[~~~~~~~~~~~~~~~12x^2-x\\ 11x^3\\ -9x^3~~+x^2-7\]
anonymous
  • anonymous
oh maybe that is a vertical format
anonymous
  • anonymous
vertical works too
anonymous
  • anonymous
keep going, i'm checking for ur mistakes
anonymous
  • anonymous
vertical is easier
anonymous
  • anonymous
\[(12^{2}-x)+11x ^{3}+(-9x ^{3}+x ^{2}-7)\]
anonymous
  • anonymous
so continuing with satellite's equation, u understand why he made it that way, right?
anonymous
  • anonymous
I was told to combine like terms, and to work it out like it's written. We haven't learned anything about vertical format yet. I still cent seem to answer it correctly haha.
anonymous
  • anonymous
can't*
anonymous
  • anonymous
if u add them all up like that... well its the same but its easier to c cz all the um like terms are lined up
anonymous
  • anonymous
so u know those tiny numbers i forgot wht they are called but whtever those stop numbers from making them into like terms, so when u add those things u basicially make it into vertical and add the numbers in this case
anonymous
  • anonymous
so 11+(-9) for the first one
anonymous
  • anonymous
and so on with the numbers
anonymous
  • anonymous
see wht u get
anonymous
  • anonymous
\[2x ^{3}+13x ^{2}-x-7\]
anonymous
  • anonymous
?
anonymous
  • anonymous
yea
anonymous
  • anonymous
what's basically it
anonymous
  • anonymous
THANK YOU SO MUCHHHHHH

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