SOLUTION: I have to completely factor 2x^3-54. (two x cubed minus fifty four) This is what I have: (2x- )(4x^2+ + )

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I have to completely factor 2x^3-54. (two x cubed minus fifty four) This is what I have: (2x- )(4x^2+ + )      Log On


   

Question 305668: I have to completely factor 2x^3-54. (two x cubed minus fifty four)
This is what I have:
(2x- )(4x^2+ + )
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
I have to completely factor 2x^3-54. (two x cubed minus fifty four)
This is what I have:
(2x- )(4x^2+ + )
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How can that be? 2x*4x^2 = 8x^3, not 2x^3
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Factor out the 2, then it's a difference of 2 cubes.