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3 votes
To factor 9x^2-4, you can first rewrite the expression as:

A. (3x-2)^2
B. (x)^2-(2)^2
C. (3x)² – (2)^2
D. None of the above

User Mcadio
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1 Answer

5 votes
The answer is C, (3x)^2-(2)^2
User AnyWhichWay
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