Question

(x+3)*$log_{\frac{1}{7}$ x<0

Answer 1

1)(x+3)*log(1/7)x<0
{x+3<0;x<-3
{log(1/7)x>0;x<1
{x>0
___-3___0___1___
x€∅

2){x>0
{x>1
{x>-3
___-3____0_____1__
x>1
OTBeT x€(1;+oo)