Eurekub
Eurekub
16-02-2017
Mathematics
contestada
Solve √(2x+3)=x for x showing work
Respuesta :
jackvman
jackvman
16-02-2017
√(2x+3)²=x²
2x+3 = x²
x²-2x-3 = 0
(x-3)(x+1) = 0
x-3=0 and x+1=0
x = 3,-1
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