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16-01-2019
Mathematics

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(Picture) MULTIPLYING POLYNOMIALS AND SIMPLIFYING EXPRESSIONS PLEASE HELP!!!!

Picture MULTIPLYING POLYNOMIALS AND SIMPLIFYING EXPRESSIONS PLEASE HELP class=

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sqdancefan sqdancefan

16-01-2019

Answer:

(x + 2)(x² - 2x +4)

Step-by-step explanation:

The sum of cubes factors as ...

(a³ +b³) = (a +b)(a² -ab +b²)

Here, you have a=x, b=2, so the factorization is ...

x³ +8 = (x +2)(x² -2x +4) . . . . . . matches the first selection

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