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frez [133]
3 years ago
8

I need Algebra Help Please

Mathematics
1 answer:
Elina [12.6K]3 years ago
3 0

Answer:

x^2-2x+4-\dfrac{15}{x+2}

Step-by-step explanation:

Synthetic division is a useful tool for problems of this sort. (see below)

__

Another way to work this one is to make use of the remainder theorem. The remainder from division by x+2 will be the value of the function at x=-2 (the value of x that makes the divisor be zero).

  (-2)³ -7 = -8 -7 = -15

Only one answer choice shows a remainder of -15, and all agree on the quotient.

  x^2-2x+4-\dfrac{15}{x+2}

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Write the coeeficientes of the polynomial in order:

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  |
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------------------------

After some trials you probe with 5

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