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19-02-2020
Mathematics

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Which expression is equal to (3x +1)(4x – 1)?
12x2 - x – 1
12x2 + x – 1
12x2 + 7x - 1
12x2 - 1

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oladipupog80 oladipupog80

19-02-2020

Answer:

Step-by-step explanation:

(3x + 1) ( 4x - 1)

Expand

3x ( 4x - 1) +1( 4x - 1)

12x² - 3x + 4x - 1

12x² + x - 1

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