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A manufacturer of shipping boxes has a box shaped like a cube. The side length is (5a + 4b). What is the volume of the box in terms of a and b?
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A manufacturer of shipping boxes has a box shaped like a cube. The side length is

(5a + 4b). What is the volume of the box in terms of a and b?

User Juergen Riemer
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The vol. of a cube of side length s is V=s^3.

So, if the side length is 5a+4b, then the volume of the cube is

V(a, b) = (5a+4b)^3. This could, of course, be expanded, using the binomial theorem, but there's no point in doing so.

User Apalopohapa
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