sksmxkxszm
sksmxkxszm
18-05-2017
Mathematics
contestada
i'm in algebra 1 please help i'm so lost
Respuesta :
2jpz
2jpz
18-05-2017
3+
xx
=19
x2
+3
=19
x2+3−3=
19
−3
x2
=16
x=
±
√16
x =
4
or
x
=
−
4
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