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Dvinal [7]
3 years ago
8

Solve:

Mathematics
2 answers:
baherus [9]3 years ago
4 0

Answer:  C. (third option) 3x^2+ 20 +12

Advocard [28]3 years ago
3 0
First we look at the equation an determine our common denominator.

(X²-X-6) / X² = (X-6) / 2X + (2X+12) / X    (let's use 2X² as the comm denom)

multiply the first fraction by 2, the second by X, and the third by 2x

(2x²-2x-12) / 2x² = (x²-6x) / 2x² + (4x²+24x) / 2x²  (dropping the denominator)

2x² - 2x - 12 = x² - 6x + 4x² + 24x      (simplify)

-3x² - 20x - 12  (multiply by -1)
3x² + 20x + 12
(x + 6) (3x + 2)    (factored version)
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