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

User Amit Meena
by
6.5k points

1 Answer

1 vote

Answer:

9x^2 -49

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

User SiiilverSurfer
by
6.5k points
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