SOLUTION: How do I do 125x cubed minus 8?

Question 251523: How do I do 125x cubed minus 8?
Found 2 solutions by stanbon, richwmiller:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How do I do 125x cubed minus 8?
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Formula: a^3-b^3 = (a-b)(a^2+ab+b^2)
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Your Problem:
(5x)^2 - 2^3
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= (5x-2)((5x)^2 + (5x)(2) + 2^2)
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= (5x-2)(25x^2 + 10x + 4)
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Cheers,
Stan H.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
125^3=1953125
125^3-8=1953117
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