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Mathematics
duhhitxmelivv:

Which of the following is a factor of x3 + 343? x − 7 x2 − 14x + 49 x2 + 7x + 49 x + 7

Vocaloid:

a^3 + b^3 = (a+b)(a^2 - ab + b^2) you have x^3 + 343, so your a value is x, and your b value is the cube root of 343, or 7

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