the answer is simply if u paid attention in class u would know but i will still tell ya its the first one
Answer:
We have the value as 3m-7
Step-by-step explanation:
It is given that we have the real number m. Now we are required to find the simplified form or the value of the expression: 
Thus we can write it as:

Here we have to use the property:

So now we have:

So this is the required final value of the expression.
Answer:


Step-by-step explanation:










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Answer:
A = (x+10) (2x+5)
A= 2
+25x+50
Step-by-step explanation: