If $a$ is a constant such that $9x^2 + 24x + a$ is the square of a binomial, then what is $a$?
Question:
If $a$ is a constant such that $9x^2 + 24x + a$ is the square of a binomial, then what is $a$?
Answer:
Let's think step by step.

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If $a$ is a constant such that $9x^2 + 24x + a$ is the square of a binomial, then what is $a$?
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