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anonymous
 one year ago
What polynomial identity should be used to prove that 133 = 125 + 8?
Difference of Cubes
Difference of Squares
Square of Binomial
Sum of Cubes
anonymous
 one year ago
What polynomial identity should be used to prove that 133 = 125 + 8? Difference of Cubes Difference of Squares Square of Binomial Sum of Cubes

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mathmate
 one year ago
Best ResponseYou've already chosen the best response.0In general, \(a^3+b^3=(a+b)(a^2ab+b^2)\) \(a^3b^3=(ab)(a^2+ab+b^2)\) Specifically for this case, \(125=5^3; 8=2^3; so 125+8=5^3+2^3=...\)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0im thinking it's difference of cubes

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0hint: sum is the result of addition difference is the result of subtraction.
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