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Evgesh-ka [11]
4 years ago
12

(3x+7)(3x-7) if necessary combine like terms

Mathematics
1 answer:
34kurt4 years ago
3 0

Answer:

9x^2 -49

Step-by-step explanation:

We recognize that this is of the form

(a+b)(a-b) = a^2 - b^2

3x = a and 7 =b

(3x)^2 - 7^2

9x^2 -49

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