Answer:
-12x+7
Step-by-step explanation:
combine the like terms
72 is the volume because u multiply 12 times two then multiply by 6
Answer:
(2x+3)(x+1)
Step-by-step explanation:
I am confused, what is your question? It help me help you better if I know what the question is.
Answer:
7x+18
Step-by-step explanation: