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If (9x − 4)(9x + 4) = ax2 − b, what is the value of a? The value of a is _____________.
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If (9x − 4)(9x + 4) = ax2 − b, what is the value of a?

The value of a is _____________.

User Atxdba
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1 Answer

3 votes
Your answer should be 81 for a. I got this result by multiplying 9 by 9.
User Lyubomyr
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