Factor 8a^3-4a

$8 a^{3} - 4 a$

Step 1

Factor $4 a$ out of $8 a^{3}$ .

$4 a (2 a^{2}) - 4 a$

Step 2

Factor $4 a$ out of $- 4 a$ .

$4 a (2 a^{2}) + 4 a (- 1)$

Step 3

Factor $4 a$ out of $4 a (2 a^{2}) + 4 a (- 1)$ .

$4 a (2 a^{2} - 1)$

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