If you want to multiply (2*x + 5) and (2*x - 5), you can do this using the following steps:
(2*x + 5) * (2*x - 5) = 4*x^2 - 10*x + 10*x - 25 = 4*x^2 - 25
The correct result is 4*x^2 - 25.
        
             
        
        
        
Answer: 432cm^3
Step-by-step explanation:
 
        
             
        
        
        
Answer: The answer would be 0=0 I think.
Step-by-step explanation:
 
        
                    
             
        
        
        
The correct answer is B. cm3
This is saying "centimeters cubed", and is true because you are multiplying 3 dimensions of centimeters, width*length*height, to get the answer. Thus, you are multiplying the numbers <em>and </em>the units. 30*30*25 and cm*cm*cm
        
             
        
        
        
Answer:

Step-by-step explanation:
We can let the 'number' in the expression be equal to  . Something 6 less than x would x minus 6, or
. Something 6 less than x would x minus 6, or  .
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