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Colt1911 [192]
3 years ago
9

Which of the following expressions is equivalent to 9x2 - 4 ?

Mathematics
1 answer:
navik [9.2K]3 years ago
3 0

If your teacher wants you to factor, then use the difference of squares rule

9x^2 - 4

(3x)^2 - 2^2

(3x-2)(3x+2)

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