katelynnikole16
katelynnikole16
11-01-2018
Mathematics
contestada
29. What is the factored form of
Respuesta :
aroshiayub
aroshiayub
11-01-2018
= (5a²)³ - 4³
you can apply the cubic factorisation rule
(a³ - b³) = (a - b)(a² - ab + b²)
= [5a² - 4][ (5a²)² - 20a² + 16]
= [5a² - 4][25a⁴ - 20a² +16]
I think this is it.
hope it helps.
:)
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