If we express $x^2 + 4x + 5$ in the form $a(x - h)^2 + k$, then what is $h$?
Question:
If we express $x^2 + 4x + 5$ in the form $a(x - h)^2 + k$, then what is $h$?
Answer:
Let's think step by step.

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If we express $x^2 + 4x + 5$ in the form $a(x - h)^2 + k$, then what is $h$?
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