DeaNurSyifa
DeaNurSyifa
18-09-2015
Mathematics
contestada
hasil (3 - a)(3a + 4)(a - 5) = .....
Respuesta :
wazogojupupu
wazogojupupu
18-09-2015
(3-a)(3a+4)(a-5)=
(9a+12-3a^2-4a)(a-5) =
(5a+12-3a^2)(a-5) =
5a^2-25a+12a-60-3a^3-15a^2 =
-10a^2-13a-60-3a^3 =
10a^2+13a+60+3a^3
hopefully this helps :)
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