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02-10-2020
Mathematics

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02-10-2020

Answer:

Answer: A, (3x+5)(x+7)

Step-by-step explanation:

3x*x = 3x^2

3x*7=21x

5*x= 5x

5*7=35

Then, Combine like terms.

21x+5x= 26x

3x^2+26x+35

And that's it, pretty simple.

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