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22-09-2020
Mathematics

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If
f(x) = 3x – 6andg (x) = 4x + 5 find (f - g) (3)

Respuesta :

SweetTea16 SweetTea16

22-09-2020

Answer:

-9x -21

Step-by-step explanation:

(3x - 6) - (4x + 5) (3)

3x - 6 - 3 (4x + 5)

3x - 6 - (12x + 15)

3x - 6 - 12x - 15

(3x - 12x) + (-6 - 15)

-9x -21

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