2. (B + 2) (B + 2), 3. (6mn-9)(M2n-7, 4. - 7x (3x2 - 4x + 9), 5. (2m - 3n) (M - 5n), 6. (B + 3) (2b2

2. (b + 2) (b + 2)

3. (6mn-9)(m2n-7
4. - 7x (3x2 - 4x + 9)
5. (2m - 3n) (m - 5n)
6. (b + 3) (2b2 - 5b + 4)
pa help

 

Answer:

2. b²+4b+4

3. 12m²n²-60mn+63

4. -21x³+28x²-63x

5. 2m²-13mn+15n²

6. -b²+b+12

Step-by-step explanation:

Brainliests, tysm.