Question

Does anyone know the answer to this? I’m getting confused

Answer 1

Answer:

0

Step-by-step explanation:

Substitute b into -3.

Hence,

(b+3)(b²-5b+7)=(-3+3)(-3²-15+7)

=(0)(1)

=0

Answer 2

The answer is 0. Sub in negative 3 for b and you’ll get 0