Factorise
a2 - 4b2 + a3 - 8b3 - ( a - 2b )2
Answers
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1
Answer:
(a2+4ab+4b2)/(a3-8b3)
Final result :
(a + 2b)2
———————————————————————————
(a - 2b) • (a2 + 2ab + 4b2)
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