Let $b$ and $c$ be real numbers.  If the polynomial $x^2+bx+c$ has exactly one real root and $b=c+1$, find the value of the product of all possible values of $c$.
Question:
Let $b$ and $c$ be real numbers.  If the polynomial $x^2+bx+c$ has exactly one real root and $b=c+1$, find the value of the product of all possible values of $c$.
Answer:
Let's think step by step.

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1
Let $b$ and $c$ be real numbers.  If the polynomial $x^2+bx+c$ has exactly one real root and $b=c+1$, find the value of the product of all possible values of $c$.
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