UmarsBack
  • UmarsBack
Help.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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UmarsBack
  • UmarsBack
Subtract:(3x2 - x - 5) - (x + 2)
anonymous
  • anonymous
distribute the minus sign first.
anonymous
  • anonymous
and i believe you mean this 3x^2?

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More answers

UmarsBack
  • UmarsBack
yeah 3x^2
UmarsBack
  • UmarsBack
wanna tell me how you distribute the minus signs? lol i havent really understood how to do this.
anonymous
  • anonymous
well, i'm not very good at explaining stuff i'm more of a learner by doing.
anonymous
  • anonymous
(3x2 - x - 5) - (x + 2) 3x2 - x - 5) - x - 2
anonymous
  • anonymous
do you understand what i just did?
UmarsBack
  • UmarsBack
Yeah you took away the brackets?
UmarsBack
  • UmarsBack
and changed it to a negative..
anonymous
  • anonymous
yes, that's correct, so can you take it from here.
UmarsBack
  • UmarsBack
so, (- x - 5) - x - 2?
UmarsBack
  • UmarsBack
Do they add?
anonymous
  • anonymous
yeps.
UmarsBack
  • UmarsBack
so the answer is 3x2 - 2x -7?
anonymous
  • anonymous
correct!
UmarsBack
  • UmarsBack
THANKS!
anonymous
  • anonymous
your welcome!

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