SOLUTION: I need to find the volume of the cube. Each side is equal to: 2x+1
So in the equation v= (2x+1)^3 I need to find x.
Algebra.Com
Question 50872: I need to find the volume of the cube. Each side is equal to: 2x+1
So in the equation v= (2x+1)^3 I need to find x.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
v= (2x+1)^3
=(2x)^3+3(2x)^2+3(2x)+1
=8x^3+12x^2+6x+1
Cheers,
Stan H.
This follows the form:
(a+b)^3=a^3+3a^2b+3ab^2+b^3
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