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.

$5x(x+2)(x-2)$

How do you factor 5x^3-20x5x^3-20x?