sin2
sin2
27-07-2017
Mathematics
contestada
24x2+25x−47=(−8x−3)(ax−2)−53
Respuesta :
ghanami
ghanami
27-07-2017
hello :
the question is : find : a
24x²+25x−47=(−8x−3)(ax−2)−53
= -8ax²+16x-3ax +6-53
=
-8ax²+16x-3ax - 47
24x²+25x−47= -8ax² + (16-3a)x -47
so : -8a = 24
16-3a =25
a = 24/-8 = -3
16-3(-3) =25...right
conclusion : a = = -3
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