lessleyt lessleyt
  • 09-05-2018
  • Mathematics
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How would the expression x^3+8 be written using Sum of Cubes?

How would the expression x38 be written using Sum of Cubes class=

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11beehshahbaz 11beehshahbaz
  • 09-05-2018
Given expression is:

x³ + 8

8 is the cube of 2, so we can write the above expression as sum of two cubes as:

x³ + 2³

Using the formula of sum of cubes, we can write:

x³ + 2³ = (x + 2)(x² - 2x + 4)

Thus, option B gives the correct answer
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