jennytalia
jennytalia
29-11-2017
Mathematics
contestada
solve: -16x^2 + 56x + 72 = 0
Respuesta :
hackermcpe
hackermcpe
29-11-2017
-16x^2 + 56x + 72 = 0
-----------------------------
Factor left side
−
8
(
2x−9
)
(x+1)
=
0
--------------------------------
Set factors equal to 0
2x
−9
=
0
or
x
+1
=
0
----------------------------------
X could equal[tex] \frac{9}{2} [/tex] or it can be -1
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