anonymous
  • anonymous
medal! how do you "factor each sum or difference of cubes" ?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
example problem:\[a^3+125\]
Nnesha
  • Nnesha
Hint:\[\huge\rm a^3 +b^3 = (a^2-ab+b^2)\] |dw:1433689078046:dw| for signs remember SOAP Same Opposite AP)always positive
mathmate
  • mathmate
lol I like that!

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More answers

anonymous
  • anonymous
i remember doing that in class but i can't remember how to do it.
Nnesha
  • Nnesha
|dw:1433689307137:dw|
Nnesha
  • Nnesha
thanko o^_^o lel
anonymous
  • anonymous
so a +5?
Nnesha
  • Nnesha
yes right |dw:1433689641678:dw|
Nnesha
  • Nnesha
|dw:1433689720969:dw|
anonymous
  • anonymous
\[(a-5)(a^2+5a+25)\]
anonymous
  • anonymous
and thats the answer?
Nnesha
  • Nnesha
nope that answer choice is not correct.
Nnesha
  • Nnesha
remember? SOAP?
Nnesha
  • Nnesha
|dw:1433689856556:dw| same means same sign that is in original question
anonymous
  • anonymous
wait, is it a+5?
Nnesha
  • Nnesha
yes right
anonymous
  • anonymous
yay! thank you!
anonymous
  • anonymous
so for one that is \[a^3+27\]
anonymous
  • anonymous
the answer would be \[(a+3)(a^2+3a+9)\]
Nnesha
  • Nnesha
-.- SOAP ????????
Nnesha
  • Nnesha
check signs
anonymous
  • anonymous
\[(a+3)(a^2-3a+9) sorry\]
Nnesha
  • Nnesha
yep that's right :-)
Nnesha
  • Nnesha
alright gtg i'm hungry o^_^o gO_Od luck!
anonymous
  • anonymous
thank you!

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