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anonymous
 one year ago
Which expression is a difference of cubes?
x^66
x^68
x^86
x^88
anonymous
 one year ago
Which expression is a difference of cubes? x^66 x^68 x^86 x^88

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0im pretty sure it is...

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0NVM This isnt english XD XD XDDXDXDXDXD

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Im sorry buddy. Hope someone helps you out :)

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1you have to be careful with this question Remember when you multiply terms with exponents like x^2 you ADD the exponents.

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1example x^2 * x^2 = x^(2+2) = x^4

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes i understand that bit but all and all im not understanding how to do this question

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1which of the numbers is a perfect cube 6 or 8 ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0okay i see what you're saying now. then its 8, so how do i determine the rest?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1You are now left with 2 choices x^6 or x^8 you now need to think of a term in x which when multiply by itself 3 times = x^6 or x^8

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1 this where where the rule of exponents comes in...

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0the answer should be x^68 right?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1right because x^2 * x^2 * x^2 = x^6

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1or written another way (x^2)^3 = x^(2*3) = x^6
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