s5204769 s5204769

08-12-2020
Mathematics

contestada

Which expression is a factor of 21 x 2 + 13 x -20?
7 x + 4
3 x − 4
7 x − 5
3 x + 5

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08-12-2020

Answer:7x+4

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08-12-2020

7 x + 4 is a factor of 21 x 2 + 13 x -20.

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