monger
monger
06-06-2017
Mathematics
contestada
(3 - c 2 d)(4 - 4c 2 d)
Respuesta :
bcalle
bcalle
06-06-2017
(3 - c^2d)(4 - 4c^2d)
12 - 12c^2d - 4c^2d + 4c^4d^2
12 - 16c^2d + 4c^4d^2
Answer Link
ReinaInoue
ReinaInoue
06-06-2017
Expanding brackets
(3-c²d) (4-4c²d)
3 times 4 = 12
3 times - 4c²d = -12c²d
c²d times 4 = 4c²d
c²d times - 4c²d = -4c⁴d²
SO THEREFORE
12 - 12c
²d - 4c²d + 4c⁴d²
=
12 - 16c²d + 4c⁴d²
Answer Link
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