Question

fill in the missing term, making a perfect trinomial square:
b²-?+9​

Answer 1

Answer:

I think its answer is 3 because the square root of 9 is 3

Answer 2

Answer:

b^2-6b+9

Step-by-step explanation:

b^2-6b+9

b^2-3b-3b+9

b(b-3)-3(b-3)

(b-3)(b-3)

..........(♧)