Given the root of -5+2i, we are asked to describe the best statement that describes the polynomial. The root -5+2i cannot exist without its conjugate root, -5-2i. Complex roots are always accompanied by at least 1 real root. Since there are only 3 roots, there should be one root only, hence the answer is B.<span>
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Answer:
option 4
Step-by-step explanation:


The final expression is 
Step-by-step explanation:
The expression that we have is

In order to solve the expression, we start by applying the distributive property to the bracket. We get:

Simplifying,

Now we add the two terms in x, and we find:

Which is the final expression.
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