How many real roots and how many complex roots does this expression have?
(x+7)^7

One real root, with multiplicity 7.

Step-by-step explanation:

The given expresion is

This is a seventh degree polynomial.

According to the fundamental theorem of Algebra, the expression has a potential 7 roots both real and complex.

This expression has one real root, with multiplicity , 7.

a negative exponent is translated as follows:

so, we have

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