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kondaur [170]
3 years ago
14

Simply, please. cuz i cant get it myself. lol

Mathematics
2 answers:
larisa86 [58]3 years ago
4 0

Answer:

21x + 28

Step-by-step explanation:

open the bracket

=21x + 4

Degger [83]3 years ago
4 0

Answer:

well there might me an answer either u can put 21x +28 or 14x, but go with 21x + 28

Step-by-step explanation:

you multiply 3x time 7 and 4 times 7 since u cant add 3x plus 4 and to separate it to get a simpler expression

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Hope this helps!
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3 years ago
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