Answer:
The value of the polynomial
is 58 for x = 6.
Explanation:
Here, the given quadratic function polynomial is given as:

or,

Now, to find the value of y, when x = 6
⇒

= 2(36 - 6 -1) = 2(29)
= 58
⇒y(6) = 58
Hence, the value of the given polynomial
is 58 for x = 6.