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Mila Compton
Mathematics
19 June, 06:45
Factor 49x^16 - 16y^64
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Preston Lamb
19 June, 06:48
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Hello:
49x^16 - 16y^64 = 7² (x^8) ² - 4² (y^32) ² = (7x^8) ² - (4y^32) ²
= (7x^8 - 4y^32) (7x^8 + 4y^32)
(by identite : a²-b² = (a-b) (a+b))
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