Factorize A square - 4 b square + a cube - 8 b cube - a - 2 b whole square
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Answer:
(a-2b) (a²+2ab+4b²+4b)
Step-by-step explanation:
a² - 4b² + a³ - 8b³ - (a - 2b)²
= (a+2b) (a- 2b) + (a-2b) (a² + 2ab +4b²) - (a-2b) (a-2b)
= (a-2b) (a+2b+a²+2ab+4b²-a+2b)
= (a-2b) (a²+2ab+4b²+4b)
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