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xarianna2007
17.11.2020 •
Mathematics
How to factorise 8a3-b3
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Ответ:
Step-by-step explanation:
Ответ:
(2a - b)(4a² + 2ab + b²)
Step-by-step explanation:
8a³ - b³ ← is a difference of cubes and factors in general as
a³ - b³ = (a - b)(a² + ab + b²) , thus
8a³ - b³
= (2a)³ - b³
= (2a - b)((2a)² + 2ab + b² ), that is
(2a - b)(4a² + 2ab + b²)
Ответ:
Your not supposed to put test questions on here.
Step-by-step explanation: