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Ronch [10]
2 years ago
14

Divide. (4x^4 - 4x^2 - x-3) = (2x^2 – 3)​

Mathematics
1 answer:
vekshin12 years ago
5 0

Answer:

  • \frac{4x^4 - 4x^2 - x - 3}{2x^2 - 3}

Step-by-step explanation:

<u>Step 1:</u>

  • Simplify: \frac{4x^4 - 4x^2 - x - 3}{2x^2 - 3}

<em>Checking for a perfect cube:</em>

  •  4x⁴ - 4x² - x - 3  is not a perfect cube.

<em>Trying to factor by pulling out:</em>

  •   Factoring:  4x⁴ - 4x² - x - 3
  • Thoughtfully split the expression at hand into groups, each group having two terms:
  • Group 1:  - x - 3
  • Group 2:  4x⁴ - 4x³
  • Pull out from each group separately:
  • Group 1:   (x + 3) • (-1)
  • Group 2:   (x² - 1) • (4x²)
  • Bad news!! Factoring by pulling out fails:
  • The groups have no common factor and can not be added up to form a multiplication

<em>Final result:</em>

  • <em />\frac{4x^4 - 4x^2 - x - 3}{2x^2 - 3}
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