Factorise 2 a 7-128 aA- 2 aa-2a-2a2-2 a-4a2-2 a-4B- 2 aa-2a2-2 a-4a2-2 a-4- a-2a-2a2-2 a-4a2-2 a-4D- 2 a a -2 a -2 a 2-2 a -4

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Common Factors/ HCF

Factorise 2 a...

Question

Factorise $2 a^{7} - 128 a$

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

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

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

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

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