jbernstein17
jbernstein17
29-11-2016
Mathematics
contestada
solve logx + log(x-3) = 1
Respuesta :
xQuanyi
xQuanyi
30-11-2016
=log10x(x-3)=1
=x(x-3)=10
=x^2-3x=10
Make this a quadratic equation
x^2-3x-10=0
Factorize
=(x+2)(x-5)=0
x=-2 or x=5
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