Explicación paso a paso:
Procedimiento:
= 3 ( 5a - 3b )
= 15a - 9b
= 4 ( 2b + 3a )
= 12a + 8b
= 15a + 12a - 9b + 8b
= 27a - b
R/ Opción c.
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Verified answer
Explicación paso a paso:
Procedimiento:
= 3 ( 5a - 3b )
= 15a - 9b
= 4 ( 2b + 3a )
= 12a + 8b
= 15a + 12a - 9b + 8b
= 27a - b
R/ Opción c.