wrightjordan34 wrightjordan34

29-03-2020
Mathematics

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

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wegnerkolmp2741o wegnerkolmp2741o

29-03-2020

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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