12ab + 13b + 4 (assuming there's addition in the spaces)
b3 - 5b2 + 12 = (b - 2)(b2 - 3b - 6)Check:(b - 2)(b2 - 3b - 6)= b(b2 - 3b - 6) - 2(b2 - 3b - 6)= b3 - 3b2 - 6b - 2b2 + 6b + 12= b3 - 5b2 + 12
-6(a-3b-9c)
11a+7b-(3b-2a)
6+7a+6b
54qba
3A + 9B = 3(A + 3B)
It is: 4b+6
3b-4-6b-5
The expression "6b (3b)(6b 3b) 5" appears to be a multiplication of several terms. To simplify it, you would multiply the coefficients and combine the variables accordingly. However, without specific operations or parentheses indicating how to group the terms, it's unclear how to simplify it further. Please clarify the expression for a more accurate simplification.
0.6b + 3c
It is: b+4 when simplified
3a - 2b