What are the values for which the expression x + 2 = 0?
The answer is the zeros of the polynomial.
Let us check if -2 and 2 are zeros of x + 2 = 0
Substitute the value of -2 in the polynomial x + 2:
-2 + 2 = 0
So x = -2 is a zero of the polynomial x + 2
What about 2?
2 + 2 = 4. Therefore, x = 2 is not a zero of the polynomial x + 2.
Thus, x = -2 is the only zero of the polynomial x + 2.
