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maks197457 [2]
3 years ago
10

Choose one of the factors of x3 − 1331.

Mathematics
2 answers:
Dmitry [639]3 years ago
3 0
Answer A) x-11
Hope this helps!
ad-work [718]3 years ago
3 0

Answer:

<em>The correct option is:   x-11</em>

Step-by-step explanation:

The given expression is:  x^3 -1331

If we <u>factor out 1331</u>, then we will get: 11\times 11\times 11 which is (11)^3

So, the expression becomes:  x^3- 11^3

Now, <u>the formula we need to apply here</u>:  a^3-b^3=(a-b)(a^2+ab+b^2)

Applying the above formula......

x^3-11^3\\ \\ =(x-11)(x^2+11x+11^2)\\ \\ =(x-11)(x^2+11x+121)

So, one of the factors is  x-11

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x ≈ 11.5

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
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  4. Multiplication
  5. Division
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Equality Properties

<u>Trigonometry</u>

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