If 
then complex number 
is a root of cubic polynomial.
If polynomial has real coefficients, then conjugated 
is also a root of polynomial.
Then the polynomial will be of a form
Since 
then
Therefore,
Answer:
The answer is -8.
Step-by-step explanation:
This is because 6 added to -8 results in -2.
So, think of 6 positive things, and 8 negative things.
o o o o o o
p p p p p p p p
The 6 positive things will cancel out 6 of the negative things, leaving behind 2 negative things.
p p
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Answer:
the square root of 180/16 is approximately 3.3541
Step-by-step explanation:
Step-by-step explanation:
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Answer:
4. answer is -48xy
5. answer is 1
Step-by-step explanation:
4. -3/4*-8y*4/3*6x*-1
=6y*4/3*6x*-1
=8x*6x*-1
-48xy
5.
-13.6/x=-13.6/1
If the numerators are the same, the denominators have to too.
