anonymous
  • anonymous
I need help please :)
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
\[(8x ^{2}+5)-(3x ^{2}-x+7)\])
anonymous
  • anonymous
First you should remove the parentheses. These means distributing the negative from the subtraction sign across the 2nd set. So: 8x^2 + 5 - 3x^2 + x - 7. Then you combine like terms: 5x^2 - 2 + x Then you rewrite in standard form: 5x^2 + x - 2
anonymous
  • anonymous
thank you :)

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