How do you factor #5x^3-20x#?

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Answer 1 · 2015-05-02T02:58:54

The answer is #5x(x+2)(x-2)# .

Factor #5x^3-20x# .

Factor out #5x#.

#5x(x^2-4)#

Factor the difference of squares #(x^2-4)# .

#(x+2)(x-2)#

Combine.

#5x(x+2)(x-2)#