Kmoore1992
Kmoore1992
28-04-2015
Mathematics
contestada
√7-x+5=x help please
Respuesta :
JaySL
JaySL
28-04-2015
x-5=[tex]\sqrt{7-x}[/tex]
Squaring and subtracting 7-x, we get:
[tex]x^2-9x+18=0[/tex]
Factoring, we have:
(x-6)(x-3)=0
So x can be 6 or 3.
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