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01-03-2020
Mathematics

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5(3a+b)−2(3a+b) in simplest form
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Respuesta :

01-03-2020

Answer:

[tex]9a + 3b[/tex]

Is the answer

Step-by-step explanation:

[tex]5(3a + b) - 2(3a + b) \\ = 15a + 5b - 6a - 2b \\ = 9a + 3b[/tex]

[tex]( - ) \times ( + ) = ( - ) \\ [/tex]

That is why

[tex]( - 2) \times b = - 2 [/tex]

And

[tex] ( - 2) \times 3a = ( - 6)[/tex]

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