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Expand the following. In other words, remove the parentheses (brackets):
a(3+b-a)
A 3a + ab-a?
B 3a + ab + a?
Cза - ab - а?
D 3a + b - a

Respuesta :

Answer:

I believe that it would be A.

But answer A should be [tex]3a + ab - a^{2}[/tex]

Step-by-step explanation:

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