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Answer:
The fundamental theorem of algebra guarantees that a polynomial equation has the same number of complex roots as its degree.
Step-by-step explanation:
The fundamental theorem of algebra guarantees that a polynomial equation has the same number of complex roots as its degree.
We have to find the roots of this given equation.
If a quadratic equation is of the form
Its roots are and
Here the given equation is = 0
a = 2
b = -4
c = -1
If the roots are , then
=
=
=
=
=
=
These are the two roots of the equation.