Answer:
4m
Step-by-step explanation:
it would be 4m because there are four different copies and the variable being used originally is 'm'. therefore, we can move it around and since addition is basically the longer version of multiplication, we would correct this to 4m.
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I'm pretty sure that you answered it correctly. 10-U
Answer:

Step-by-step explanation:
There are a couple of equivalent expressions to the function
. For example:

Factor:

If you add the terms inside the parentheses:

Basically you can add the like terms from the start and get the same result.

Therefore:

Answer:
2x.
Step-by-step explanation:
The GCF of 10 and 14 is 2,
and the GCF of x^3 and x is x.
The answer is 2x.