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08-07-2021
Mathematics

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Which of the following is equivalent to (2a + a)(3b + 1)?

Tip: Simplify the expression on the left first, and then use the distributive property.

2a + 3ab + a
3a + 3b + 1
3a(3b + 3)
9ab + 3a

Respuesta :

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08-07-2021

Answer:

9ab+3a

Step-by-step explanation:

(2a+a)(3b+1)=(3a)(3b+1)

3a(3b+1)

=(3a×3b)+3a×1

=9ab+3a

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