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anonymous
 one year ago
Which polynomial represents a difference of cubes?
x^3 64
4x^3 1
8x^3 +27
4x^3 125
anonymous
 one year ago
Which polynomial represents a difference of cubes? x^3 64 4x^3 1 8x^3 +27 4x^3 125

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welshfella
 one year ago
Best ResponseYou've already chosen the best response.2a cube is the result when a number or variable is multiplied by itself 3 times for example the cube of x = x*x*x = x^3 the cube of 2 is 8 because 2 * 2* 2 = 8 and 2 is called the cube root of 8

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2a difference, of course, is when one number or variable is subtracted from another

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2So which one do you think is difference of 2 cubes?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2a few more cubes are 3^3 = 27 4^3 = 64 5^3 = 125

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2is 4x^3 a perfect cube?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2Ah caught you there! x^3 is one but 4 is not 4 is a perfect square But 8x^3 is a cube 2x*2x*2x = 8x^3
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