nicegirl331976
nicegirl331976 nicegirl331976
  • 10-09-2019
  • Mathematics
contestada

factor completely x^3+7x^2-2x-14

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altavistard
altavistard altavistard
  • 10-09-2019

Answer:

Step-by-step explanation:

Notice that x + 7 is a factor of the first two terms, and that it is also a factor of the last two terms.  Thus,

x^3+7x^2-2x-14 = (x + 7)(x^2 - 2).

We could carry the factoring further, as follows:

(x + 7)(x^2 - 2) = (x + 7)(x - √2)(x + √2)

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