1.

or if you mean (3x^3+5x^2+3x-7)+(8x-6x^2+6):

2.

 
        
             
        
        
        
Answer:
144 sq. ft.
Step-by-step explanation:
In order to find the area, we have to know the length of the sides.
Since the figure is a cube, the way that the volume was found was by multiplying one side length by itself two times.
s^3 = cube volume.
So, to find the length of one side, we have to find the cube root of the volume.
![\sqrt[3]{1728}](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B1728%7D) = 12
 = 12
Now that we know the side length, we just need to multiply it by itself to find the area of the floor space.
12 * 12 = 144
 
        
             
        
        
        
Answer:
250
Step-by-step explanation:
 
        
             
        
        
        
The answer I got to this was 2.3 but I don't know if that's correct. 
        
             
        
        
        
Answer:
50	27.5
50.01	27.5055
50.02	27.511
50.03	27.5165
Step-by-step explanation: