anonymous
  • anonymous
Help me please! Will MEDAL and FAN!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Subtract \[9x^2y^2 - 6x^2- 3 \] from the sum of \[-5x^2y^2 - 3x^2 - 7\] and \[4x^2y^2 + 8x^2 - 8\]. The resulting polynomial is:
Trisaba
  • Trisaba
they all are like terms
anonymous
  • anonymous
Ok, but how can I get a simplified answer. It wants me to Simply my answer.

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anonymous
  • anonymous
Simplify my answer sorry**
Trisaba
  • Trisaba
i know
Trisaba
  • Trisaba
when you subtract a negative do you add or subtract?
anonymous
  • anonymous
You add correct?
Trisaba
  • Trisaba
right
anonymous
  • anonymous
Ok so what do I do next then? I am completly confused on this stuff.
Trisaba
  • Trisaba
-5x^2 y^2 + 4x^2 y^2
anonymous
  • anonymous
Is that my answer?
Trisaba
  • Trisaba
no
anonymous
  • anonymous
Ok so do I combine like terms next?
Trisaba
  • Trisaba
yes
Trisaba
  • Trisaba
what did you get
anonymous
  • anonymous
\[9x^2 + y^2\] ?
Trisaba
  • Trisaba
no what is -5x^2 y^2+ 4x^2 y^2
Trisaba
  • Trisaba
just add
anonymous
  • anonymous
\[-1x^2 + y^2\] ?
Trisaba
  • Trisaba
\[-1x^{2}y ^{2}\] not that
anonymous
  • anonymous
\[-1x^4 + y^4\] ??
Trisaba
  • Trisaba
no that should have been your answer what i said now do \[9x ^{2}y ^{2}- -x ^{2}y ^{2}\]
Trisaba
  • Trisaba
we said double negative was addition
anonymous
  • anonymous
\[8x^2y^2\] ? Is this right?
Trisaba
  • Trisaba
wrong when you subtract a negative you add the opposite
anonymous
  • anonymous
Ok then what should it be?
anonymous
  • anonymous
I tried sorry
Trisaba
  • Trisaba
it should be \[10x ^{2}y ^{2}\]
Trisaba
  • Trisaba
that is the first part now do \[-3x ^{2}+8x ^{2}\]
anonymous
  • anonymous
Is 10x^2y^2 my simplified answer?
anonymous
  • anonymous
Ok so simplify -3x^2 + 8x^2?
Trisaba
  • Trisaba
yes
anonymous
  • anonymous
\[5x^2?\]
Trisaba
  • Trisaba
correct now do \[-6x ^{2}+5x ^{2}\]
anonymous
  • anonymous
\[-x^2\]
Trisaba
  • Trisaba
correct so so far we have \[10x ^{2}y ^{2}-x\] now do \[-7+( -8)\]
anonymous
  • anonymous
-15
Trisaba
  • Trisaba
right now do \[-3-(-15)\]
anonymous
  • anonymous
12
Trisaba
  • Trisaba
write so your final answer should be \[10x ^{2}y ^{2}-x +12\]
Trisaba
  • Trisaba
right sorry typo

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