Respuesta :

Answer:

a = -5.

Step-by-step explanation:

(3x + 2)(x + 1)

= 3x(x + 1) + 2(x + 1)

= 3x^2 + 3x + 2x + 2

= 3x^2 + 5x + 2

So the remainder a = 3x^2 + 5x - 3 - (3x^2 + 5x + 2)

= -3 - 2

= -3 - 2

= -5  (answer)

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